Question

X²-7x-18=0 solve by factorisation ​

Answer 1

Answer:

-2,9

Step-by-step explanation:

x²-9x+2x-18

(x-9)x+2(x-9)

(x-9)(x+2)

Answer 2

Answer:

x^2-7x-18=0

x^2-9x+2x-18=0

Taking common,

x(x-9)+2(x-9)

(x+2)(x-9)

Thus, x = -2,9