Question

Isso aqui e elevado ^ ... Sendo A =5x^2+3x-14 e B = 2x^2+5x+11 , Determine: a ) A-B b) B-A c)2. (A+B)

Answer 1

A) (5x²+3x-14) - (2x²+5x+11)
5x²+3x-14-2x²-5x-11
3x²-2x-25

B) (2x²+5x+11) - (5x²+3x-14)
2x²+5x+11-5x²-3x+14
-3x²+2x+25

C) 2. (5x²+3x-14+2x²+5x+11)
2. (7x²+8x-3)
14x²+16x-6