Final answer to the problem
$9x^2+\left(-2y\right)^2+1-12xy+6x-4y$
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Step-by-step Solution
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1
Apply the formula: $\left(a+b+c\right)^2$$=a^2+b^2+c^2+2ab+2ac+2bc$, where $a=3x$, $b=-2y$ and $c=1$
$\left(3x\right)^2+\left(-2y\right)^2+1^2+2\cdot 3\cdot -2xy+2\cdot 3\cdot 1x+2\cdot -2\cdot 1y$
Learn how to solve prodotti speciali problems step by step online.
$\left(3x\right)^2+\left(-2y\right)^2+1^2+2\cdot 3\cdot -2xy+2\cdot 3\cdot 1x+2\cdot -2\cdot 1y$
Learn how to solve prodotti speciali problems step by step online. (3x-2y+1)^2. Apply the formula: \left(a+b+c\right)^2=a^2+b^2+c^2+2ab+2ac+2bc, where a=3x, b=-2y and c=1. Apply the formula: 1x=x, where x=2\cdot 3x. Apply the formula: 1x=x, where x=2\cdot -2y. Apply the formula: ab=ab, where ab=2\cdot 3\cdot -2xy, a=2 and b=3.
Final answer to the problem
$9x^2+\left(-2y\right)^2+1-12xy+6x-4y$
