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(4b+5c)^2-(4b-5c)^2​
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(4b+5c)^2-(4b-5c)^2​

User Sotos
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1 Answer

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Using the formula a^2-b^2=(a-b)(a+b), factor the expression.

10c x 8b

Then calculate the product.

80bc

Answer: 80bc
User Iwo Banas
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