Question

using factor theorem,factorize
$x ^{2} + 2x ^{2} - x - 2$
​

Answer 1

Answer:

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

$3 {x}^{2} - x - 2$

${3x}^{2} - 3x + 2x - 2$

$3x(x - 1) + 2(x - 1)$

$(3x + 2)(x - 1)$

$x = - \frac{3}{2}$

and

$x = 1$