Question

descompon en factores y simplifica ayuda rapido por fabor
$9 - (x + {y)}^{2} =$
${4x}^{2} + 15x + 9 =$
${a}^{2} + ab + ax + bx =$
​

Answer 1

$9 - (x + y) {}^{2} \\ = (3 - x - y)(3 + x + y)$

$4x {}^{2} + 15x + 9$

=(x+3) (4x+3)

a²+ab+ax+bx

(a+b) (a+x)