Algebra questions need help

Algebra
Tutor: None Selected Time limit: 1 Day

Apr 28th, 2015

(h+g)(x)= 2x²+4x 

(h-g)(x)= 2x²-4x 

(h.g)(-2)= 8(-2)^3  = - 64 

Good Luck and please best me 

Apr 28th, 2015

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