Question

Ayúdenme por favor doy corona

Answer 1

Respuesta:

$a)\\x^{2} +8x+15\\x^{2} +5x+3x+15\\x(x+5)+3(x+5)\\(x+5)(x+3)$

$b)\\x^{2} +9x-10\\x^{2} +10x-x-10\\x(x+10)-(x+10)\\(x-1)(x+10)$

$c)\\x^{2} -7x+12\\x^{2} -3x-4x+12\\x(x-3)-4(x-3)\\(x-4)(x-3)$

exitos...