SOLUTION: how can i solve for this equation: g(x)=2x+3 f(x)=3x^2-3x Find -4g(-4x)+4f(-4x)

Question 357079: how can i solve for this equation: g(x)=2x+3
f(x)=3x^2-3x
Find -4g(-4x)+4f(-4x)
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
how can i solve for this equation:
g(x)=2x+3
f(x)=3x^2-3x
----------------------
Find -4g(-4x)+4f(-4x)
---
= -4[2(-4x)+3] + 4[3(4x)^2-3(-4x)]
----
= -4[-8x+3] + 4[48x^2+12x]
---
= 32x-12 + 192x^2+48x
---
= 192x^2 + 80x - 12
===========================
Cheers,
Stan H.

RELATED QUESTIONS
Did I solve these right? 1. f(x)= -3x + 1 g(x)= -4x^2 + x + 2 Find g(f(x) )... (answered by solver91311)

Did I solve these problems correctly? 1. f(x)=-3x + 2 g(x)=3x^2 -x + 2 Find (f + g)(x) (answered by person24,MathLover1)

If f(x) = x^2+3x-7 and g(x)= 2x^3-4x+9, find... (answered by robertb)

f(x)=x^5-3x^4-3x^3+9x^2-4x+12 How do i find only the rational zeros for this equation? (answered by jim_thompson5910)

I need help solving this please. Thanks. Find (f-g) and (f+g)(3) for f(x)=2x^2+x+5 and (answered by Boreal)

can someone or anyone show me how to solve this problem thank you Find f(1) for (x) = (answered by stanbon,jim_thompson5910)

f(x)=x+5 g(x)=x^2-4x+5 h(x)=3x^2-2x+5 find (f+g)(x) find (f*h)(x) find f[g(2)] (answered by solver91311)

how do I solve: f(x)= 4x - 3 g(x)= x^3 + 2x Find (f-g)(4) (answered by jim_thompson5910)

How do I solve this Equation f(x)=3x g(x)=2x-5 (fg)(x)=... (answered by jim_thompson5910)