simplify usingidentities (2a-7) (2a-7)
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Answered by
0
Answer:
(2a−7)(2a−7)=(2a−7)
2
using identity (a−b)
2
=a
2
−2ab+b
2
(2a−7)
2
=(2a)
2
−2×2a×7+7
2
(2a−7)
2
=4a
2
−28a+49
Step-by-step explanation:
Answered by
0
Answer:
(2a-7)=(7a-2)
Step-by-step explanation:
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