Question

Dados A=x²+3x-2,B=x+2 e C=x-3
A) A*B e A*C
B) A*(B+C)

Answer 1

a/ x²+ 3 x- 2 e x² x- 3
corta x²
3x +3x = 2
9x =2
x = 9/2
b/ x² ( x+2+x-3)
x² - 2x +(-3x)
x² -2x -3x
x² = 6
x= 6 ²
x 36
x 6