Question

X² + 12x - 45
factorise​

Answer 1

$\huge\bold\red{Answer:}$

x²+12x-45=0

x²-3x+15x-45=0

x(x-3)+15(x-3)=0

(x-3)(x+15)=0

x=3, -15

Answer 2

X2+15x-3x-45
X(x+15)-3(x+15)
(X+15)(x-3)