Question

Se A=x2-x+1 , B=(x-2)2 e C=-3x, entao A+B . C vale:

Answer 1

2x²-8x+5

A= x²-x+1

B= (x-2)² = x²-4x+4

C= -3x

A+B.C

x²-x+1+x²-4x+4-3x

x²+x²-x-3x-4x+1+4

2x²-8x+5

❤️ Prontinho ❤️

21/07/22