Question

Solve.
1) (x - 6)(x + 7) = (x + 3)(x - 11)
2) (x + 7)(x + 9) = (x + 3)(x + 21)
3 question is in photo
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Answer 1

Answer:

hello,here is your answer

Step-by-step explanation:

1)(x-6)(x+7)=(x+3)(x-11)

( 2x+1)=(2x-8)

Transpose 1 to rhs and 2x to lhs

2x-2x=-1-8

-x=-9

x=9