Question

x²-8x-7=0
plz help me
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Answer 1

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=> x²-8x-7

=> x²-(7x+1x)-7

=> x²-7x-1x-7

=> X(x-7)+1(x-7)

=> (x-7)(X+1)

=> either x = 7

or x = (-1)

Answer 2

Answer:

=> x²-8x-7

=> x²-(7x+1x)-7

=> x²-7x-1x-7

=> X(x-7)+1(x-7)

=> (x-7)(X+1)

=> either x = 7

or x = (-1)