Question

(X+1) (x-2) ayuda a resolverlo

Answer 1

Explicación paso a paso:

${x}^{2}-2x + x - 2$

${x}^{2} - x - 2 = 0$

X ___ × ____ – 2 = –2X

X ___ × ____ 1 = X

|_> X ✅

$(x - 2)(x + 1) = 0$

$x - 2 = 0 \: \: v \: \: x + 1 = 0$

$x = 2 \\ x = - 1$