How do you simplify $(b + 3) (- 7)$ $(b+3)(-7)$ ?

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Answer 1 · 2015-09-20T16:23:48

$= - 7 b - 21$ $=color(green)(-7b -21$

$(b + 3) \cdot (- 7)$ $(b+3) * color(green)((−7)$

$= (b) \cdot (- 7) + 3 \cdot (- 7)$ $= (b) * color(green)((−7)) + 3 *color(green)((−7)$

$= - 7 b - 21$ $=color(green)(-7b -21$

How do you simplify (b+3)(−7)(b+3)(-7)?