Question

splitting the middle term for x^2-9x-90​

Answer 1

Answer:

HI BUDDY

1 X 90 = 90

x^2 -15x + 6x -90

-15 X 6 = 90

-15+6= -9

HOPE THIS HELPS

Answer 2

Answer:

Step-by-step explanation:

=x^2 - 9x - 90

=x^2 - 10x + 9x -90

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

=(x-10) (x-9)

So roots are x = 10,x= 9

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