value of (27)2 -(21)2
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Answered by
0
Answer:
(27)² -(21)²
= (27 + 21)(27 - 21)
= 48 × 6
= 288
hope it helps you!!
Answered by
0
Answer:
(a+b)²=(a+b)(a-b)
27²+21²=(27+21)(27-21)
=48×6
=288
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