using identity 2 (x-7)2. ch algebraic identity
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4
Step-by-step explanation:
=2(x-7)2
=2×2(x-7)
=4(x-7)
=4x-28
=x=28/4
=x=7
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Answered by
1
Answer:
x²-- 14x+ 49
Step-by-step explanation:
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