Question

simpify (9x - 6y)²
Simplify with steps.
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Answer 1

$\huge\underline{\red{Answer}}$

$({9x - 6y})^{2} \\ = ({9x})^{2} - 2 \times 9x \times 6y + ({6y})^{2} \\ = {81x}^{2} - 108xy + {36y}^{2}$

By applying the formulae

${a}^{2} - 2ab + {b}^{2}$