Question

2) The factors of x²+2x-63 are
a) (x-9) (x+7) b) (x-7) (x+9)
c)(x+9) (x+7)​

Answer 1

Step-by-step explanation:

x²+2x-63

x²+9x-7x-63

x(x+9)-7(x+9)

(x+9)(x-7)

x=-9 or x=7 .

HOPE IT HELPS YOU...!!!!

Answer 2

Answer:

(x-7)(x+9)

Step-by-step explanation:

Because first and last numerical values should be multiplied and that results should be added to get the middle numerical value

x²+2x-63

-63

/ × \

9 -7

\ + /

+2

x²+9x-7x-63

=x(x+9)-7(x+9)

=(x-7)(x+9)