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

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: how can i solve for this equation: g(x)=2x+3 f(x)=3x^2-3x Find -4g(-4x)+4f(-4x)      Log On


   

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) About Me  (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
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Find -4g(-4x)+4f(-4x)
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= -4[2(-4x)+3] + 4[3(4x)^2-3(-4x)]
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= -4[-8x+3] + 4[48x^2+12x]
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= 32x-12 + 192x^2+48x
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= 192x^2 + 80x - 12
===========================
Cheers,
Stan H.