(x-7) *2 using identity -2
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explanation:
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Answered by
1
Answer:
(a+b) = a2 + b2 + 2ab
Step-by-step explanation:
(x-7) = X2 + (7)2 + 2×x×7
= X2 +14 + 14x
= x2+28x
= (28x)
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