Find the values of : (92)² -(28)²
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Answer:
7180
Step-by-step explanation:
92^2 by column method
a^2. 2ab. b^2.
81. 36. 4
square = 8464 by carry over method
in the same way 28 ^2 = 1284
8464 - 1284 = 7180
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