Question

Express x²-6x-7 as the difference of two squares ?​

Answer 1

Answer:

x=7   or  x=-1

Step-by-step explanation:

x²-6x-7=0

-7x²

x²+x-7x-7=0

x(x+1)-7(x+1)=0

x-7=0  or  x+1=0

x=7    or   x=-1

Answer 2

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