SOLUTION: Find p(x) + 4q(x) p(x)=4x4 + 55x3 - 23x2 + 13 q(x)=43x4+ 14x2 -12 p(x)+4q(x) (4x^4 + 55x^3 -23x^2 +13) + 4(43x^4 + 14x^2 -12) 4x^4 + 55x^3 -23x^2 + 13 + 172x^4 + 56x^2 -48

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Find p(x) + 4q(x) p(x)=4x4 + 55x3 - 23x2 + 13 q(x)=43x4+ 14x2 -12 p(x)+4q(x) (4x^4 + 55x^3 -23x^2 +13) + 4(43x^4 + 14x^2 -12) 4x^4 + 55x^3 -23x^2 + 13 + 172x^4 + 56x^2 -48      Log On


   

Question 162885: Find p(x) + 4q(x)
p(x)=4x4 + 55x3 - 23x2 + 13
q(x)=43x4+ 14x2 -12
p(x)+4q(x)
(4x^4 + 55x^3 -23x^2 +13) + 4(43x^4 + 14x^2 -12)
4x^4 + 55x^3 -23x^2 + 13 + 172x^4 + 56x^2 -48 (Now combine like terms)
(4x^4 + 172x^4) + (55x^3) + (-23x^2 + 56x^2) + (13-48)
176x^4 + 55x^3 + 33x^2 - 35

Answer by eperette(173) About Me  (Show Source):