Question

plss say 1st bit 1st one answer please..............

Answer 1

Given:-

$ax^3+bx^2+5+2bx-5x^2+2x^4-3x$

$\implies 2x^4+ax^3+bx^2-5x^2+2bx-3x+5$

$\implies 2x^4+ax^3+x^2(b-5)+x(2b-3)+5$

That's the answer.

Hope it helps.