Question

(x-7)(x+9) is equal to

Answer 1

Answer:

X² +2x-63

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

(x-7)(x+9)=195

x(x-9)-7(x-9)=195

x2-9x-7x+63=195

x2-16x+63-195=0

x2-16x-132=0

x2-22 x+6x-132=0

x(x-22)+6(x-22)=0

(x+6)(x-22)=0

x+6=0

x=-6(0x)x=22

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