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Lapatulllka [165]
3 years ago
9

(4b+5c)^2-(4b-5c)^2​

Spanish
1 answer:
MrRissso [65]3 years ago
3 0
Using the formula a^2-b^2=(a-b)(a+b), factor the expression.

10c x 8b

Then calculate the product.

80bc

Answer: 80bc
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