Final answer to the problem
$14+y$
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Step-by-step Solution
How should I solve this problem?
- Choisir une option
- Produit de binômes avec terme commun
- Méthode FOIL
- Weierstrass Substitution
- Prouver à partir du LHS (côté gauche)
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1
Apply the formula: $x,\:a,\:b$$=eval\left(x,a,b\right)$, where $a=x=7$, $b=y$, $x=2x+y$ and $x;a=2x+y,\:x=7,\:y$
$2\cdot 7+y$
2
Apply the formula: $ab$$=ab$, where $ab=2\cdot 7$, $a=2$ and $b=7$
$14+y$
Final answer to the problem
$14+y$
