Question

x² + 7x + 10 = 0


x² + 10x + 25 = 0​

Answer 1

Respuesta:

(x+5)(x+2)

(x+5)(x+5)

Answer 2

Explicación paso a paso:

x² + 7x + 10 = 0

$x^{2} + 5x + 2x + 10 = 0\\X x ( x + 5) + 2 ( x + 5 ) = 0\\( x + 5 ) x ( x + 2) = 0\\x + 5 = 0\\x + 5 - 5 = 0 - 5\\x = 0 - 5\\x = - 5\\x + 2 = 0\\\\x + 2 - 2 = 0 - 2\\x = 0 - 2\\x = - 2\\x_{1} = - 5 , x_{2} = - 2$

x² + 10x + 25 = 0​

$x^{2} + 10x + 25\\x^{2} + 2 x X x 5 + 25\\x^{2} + 2 x X x 5 + 5^{2} \\( x + 5 )^{2} = 0\\x + 5 = 0 \\x = - 5$

Espero haberte ayudado.