(4a+5b)×(5a-6b) find the following product.
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20a^2 - 24ab + 24ab -30b^2
20a^2 - 30b^2 + 1ab
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Step-by-step explanation:
( 4a+5b)× ( 5a-6b)
4a(5a-6b) + 5b( 5a-6b)
20a2 - 24ab +25ab- 30b2
20a^2 +ab -30^b2
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