Question

Given f(x) = ax²+bx+2 and g(x) = bx²+ax+1.
If x-2 is a factor of Fx (remainder 0) but leaves remainder -15 when divides gx.
find values of a and b

factorise the expression,
f(x) + g(x) +4x²+7x

I actually need this second answer of factorisation,

answer : 2x + 3

a = 2
b = -5

pls do this factorisation I can't understand and do not use the answer just bring it somehow.

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Answer 1

Answer:

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