Final answer to the problem
$25x^2-4y^2$
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Step-by-step Solution
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1
Apply the formula: $\left(a+b\right)\left(a+c\right)$$=a^2-b^2$, where $a=5x$, $b=2y$, $c=-2y$, $a+c=5x-2y$ and $a+b=5x+2y$
$\left(5x\right)^2-\left(2y\right)^2$
Learn how to solve prodotti speciali problems step by step online.
$\left(5x\right)^2-\left(2y\right)^2$
Learn how to solve prodotti speciali problems step by step online. Solve the product (5x+2y)(5x-2y). Apply the formula: \left(a+b\right)\left(a+c\right)=a^2-b^2, where a=5x, b=2y, c=-2y, a+c=5x-2y and a+b=5x+2y. Apply the formula: \left(ab\right)^n=a^nb^n, where a=2, b=y and n=2. . Apply the formula: a^b=a^b, where a=5, b=2 and a^b=5^2.
Final answer to the problem
$25x^2-4y^2$
