RudolfShawver RudolfShawver

08-05-2014
Mathematics

Answered

(-7x²-7x-7)-[(7x³-9x²-20)+(4x-11)]]=?
(5x⁴+8x²+2)+7(5x⁴-3x²)=?
Please explain the work behind the solution

Answer :

kate200468 kate200468

08-05-2014

[tex](-7x^2-7x-7)-[(7x^3-9x^2-20)+(4x-11)]]=\\=-7x^2-7x-7-(7x^3-9x^2-20+4x-11)=\\=-7x^2-7x-7-7x^3+9x^2+20-4x+11=-7x^3+2x^2-11x+24\\\\ (5x^4+8x^2+2)+7(5x^4-3x^2)=5x^4+8x^2+2+35x^4-21x^2=\\=39x^4-13x^2+2[/tex]

Answer Link

Other Questions

What characterized the economic conditions during the Market Revolution in the United States in the early to mid-19th century?A) Widespread unemployment.B) Rapi

Determine whether the series below converges or diverges.[tex] \sum_{n=1}^{\infty} n^3\left(2^{-3 \ln (n)}\right) [/tex]Remember that [tex] a^{-\ln (n)}=\frac{1

what is (x2-5x+6) divided by (x-2)

According to the expression, "blood runs thicker than water, but both feel the same when your eyes are closed," what does the phrase "blood runs thicker than wa

A hypothetical imperative is one that is universally binding on all people.a. Trueb. False

Select the correct answer.Consider these functions:[tex]\[ \begin{array}{l} f(x) = 3x^3 + 8x - 2 \\ k(x) = 4x \end{array} \][/tex]What is the value of [tex]\(

The managerial roles that often serve as disturbance handlers are:a) Decision-making rolesb) Information rolesc) Interpersonal rolesd) Leadership roles

Which one of the following signs would indicate gastrointestinal bleeding above the ligament of Treitz?a. Coffee-ground emesis.b. Melena.c. No sign is given by

What method should be employed to effectively remove spray paint without causing damage to the underlying paint?

Solve for [tex]x[/tex], where [tex]x[/tex] is a real number.[tex] x = \sqrt{x + 30} [/tex]

Which of the following would most likely act as a Bronsted-Lowry acid?A. [tex]\(OH^{-}\)[/tex]B. [tex]\(HCN\)[/tex]C. [tex]\(CCl_4\)[/tex]D. [tex]\(Mg(OH)^{+}\)

Use D flip-flops to design a counter with the following repeated binary sequence: 1, 5, 3, 9, 7, 13, 11, 15. Use don’t care states as appropriate.

An increase in wealth from a substantial increase in stock prices will move the economy along a fixed aggregate demand curve.a. Trueb. False

___ can be used to isolate both aerobic and anaerobic bacteria. a. Streak culture method b. Spread plate culture method c. Pour plate culture method d. Stab cul

Complete the sentence in the present tense.Manuel y yo ______ estudiar juntos para el examen del viernes.A. debenB. debemosC. debíamosD. deberíamos

Classic hemophilia and classic Von Willebrand's disease may have all of the following in common except: a. Prolonged PT b. Prolonged PTT c. Prolonged BleedingTi

What did Charlemagne, Charles Martel, and Clovis I have in common?A. Each hoped to disband the army and welcome an era of peace.B. Each prioritized uniting the

What is the function of this essay? Explain what the essay intends to accomplish. Analyze the form of the essay. 1. How does the introduction support the func

Responde las siguientes preguntas.5. Selecciona la opción correcta.¿En cuál de las siguientes oraciones se usa la coma explicativa?A. Juan, Pedro y Carla juegan

[tex]$\triangle XYZ$[/tex] was reflected over a vertical line, then dilated by a scale factor of [tex]$\frac{1}{2}$[/tex], resulting in [tex]$\triangle X^{\prim