16b2-40b+25 using identity
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Answer:
(4b)^2 - 2 × 4b × 5 +( 5)^2
Step-by-step explanation:
= 16b2 - 40b+25
( a^2- 2ab+b^2)
= (4b)^2 - 2 × 4b×5 +( 5)^2
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