Question

x2-x-90 factories this​

Answer 1

Answer:

(x-10)(x+9)

Step-by-step explanation:

x2-x-90

=x2 -10x+9x -90

= x(x-10) +9(x-10)

=(x-10)(x+9)

Answer 2

Step-by-step explanation:

x^-x-90

x^2-10x+9x-90

x(x-10)+9(x-10)

(x-10)(x+9)=0

x=10 or -9