Final answer to the problem
$4x^2-25y^2$
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Step-by-step Solution
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- Produit de binômes avec terme commun
- Méthode FOIL
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1
Apply the formula: $\left(a+b\right)\left(a+c\right)$$=a^2-b^2$, where $a=2x$, $b=5y$, $c=-5y$, $a+c=2x-5y$ and $a+b=2x+5y$
$\left(2x\right)^2-\left(5y\right)^2$
Learn how to solve produits spéciaux problems step by step online.
$\left(2x\right)^2-\left(5y\right)^2$
Learn how to solve produits spéciaux problems step by step online. Solve the product (2x+5y)(2x-5y). Apply the formula: \left(a+b\right)\left(a+c\right)=a^2-b^2, where a=2x, b=5y, c=-5y, a+c=2x-5y and a+b=2x+5y. Apply the formula: \left(ab\right)^n=a^nb^n, where a=5, b=y and n=2. . Apply the formula: a^b=a^b, where a=2, b=2 and a^b=2^2.
Final answer to the problem
$4x^2-25y^2$
