Final answer to the problem
$4x^2+9y^2+1+12xy-4x-6y$
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Step-by-step Solution
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1
Expand the trinomial using the formula $\left(a+b+c\right)^2 = a^2 + b^2 + c^2 + 2ab + 2ac + 2bc$
$\left(2x\right)^2+\left(3y\right)^2+{\left(-1\right)}^2+2\cdot 2\cdot 3xy+2\cdot 2\left(-1\right)x+2\cdot 3\left(-1\right)y$
Learn how to solve special products problems step by step online.
$\left(2x\right)^2+\left(3y\right)^2+{\left(-1\right)}^2+2\cdot 2\cdot 3xy+2\cdot 2\left(-1\right)x+2\cdot 3\left(-1\right)y$
Learn how to solve special products problems step by step online. Expand the expression (2x+3y+-1)^2. Expand the trinomial using the formula \left(a+b+c\right)^2 = a^2 + b^2 + c^2 + 2ab + 2ac + 2bc. Multiply 2 times 2. Multiply 4 times 3. Multiply 2 times 2.
Final answer to the problem
$4x^2+9y^2+1+12xy-4x-6y$