ClaudioOliveraAluna 21/04/2022 A= x² + 1 B= 2x²+x+2A) A+B= x²+1+2x²+x+2 = 3x²+x+3B) A-B= x²+1-2x²-x-2 = -x²-x-1C) B-A= 2x²+x+2-x²-1 = x²+x+1Prontinho ❤️29/07
ClaudioOliveraAluna
A= x² + 1
B= 2x²+x+2
A) A+B= x²+1+2x²+x+2 = 3x²+x+3
B) A-B= x²+1-2x²-x-2 = -x²-x-1
C) B-A= 2x²+x+2-x²-1 = x²+x+1
Prontinho ❤️29/07