if f(x)=3x^2+5x-2, show that f(x-+h)=3x^2+x(6h+5)+(3h^2+5h-2)

What do you do after you plug in the x+h
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1 Answer

f(x+h)=3(x+h)²+5(x+h)-2=3(x²+2xh+h²)+5(x+h)-2=

3x²+6xh+3h²+5x+5h-2=3x²+x(6h+5)+(3h²+5h-2).
by Top Rated User (1.1m points)

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