# How do you simplify 7(3x+9y-11)?

$7 \left(3 x + 9 y - 11\right) = 21 x + 63 y - 77$
$7 \left(3 x + 9 y - 11\right) = 7 \times \left(3 x + 9 y - 11\right)$ Distribute 7 about the polynomial
$= \left(7 \times 3\right) x + \left(7 \times 9\right) y - \left(7 \times 11\right) = 21 x + 63 y - 77$