Question

ENCONTRE AS RAIZES DA EQUAÇÃO x(x+2)+x(x+1)=x²+4

Answer 1

Boa tarde

x*(x + 2) + x*(x + 1) = x² + 4

x² + 2x + x² + x = x² + 4

x² + 3x - 4 = 0

(x - 4)*(x + 1) = 0

x1 = 4
x2 = -1