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Exercise

$\left(9x+7a\right)\left(9x-7a\right)$

Step-by-step Solution

Learn how to solve problems step by step online. Simplify the product of conjugate binomials (9x+7a)(9x-7a). The sum of two terms multiplied by their difference is equal to the square of the first term minus the square of the second term. In other words: (a+b)(a-b)=a^2-b^2.. The power of a product is equal to the product of it's factors raised to the same power. . Calculate the power 9^2.
Simplify the product of conjugate binomials (9x+7a)(9x-7a)

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Final answer to the exercise

$81x^2-49a^2$

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