Answer:
Step-by-step explanation:
Let number is X
so according to given condition
x²-x=56
x²-x-56=0
x²-8x+7x-56=0
x(x-8)+7(x-8)=0
(x-8)(x+7)=0
so
x=8,-7
but only 8 is possible solution
8²-8=64-8=56
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Answers & Comments
Answer:
Step-by-step explanation:
Let number is X
so according to given condition
x²-x=56
x²-x-56=0
x²-8x+7x-56=0
x(x-8)+7(x-8)=0
(x-8)(x+7)=0
so
x=8,-7
but only 8 is possible solution
8²-8=64-8=56