How do you simplify $2 a b (3) (- 7)$ $2ab(3)(-7)$ ?

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Answer 1 · 2017-03-14T12:57:25

See the entire simplification process below:

First, rewrite this expression as:

$2 a b (3 \times - 7) = 2 a b (- 21)$ $2ab(3 xx -7) = 2ab(-21)$

Then, rewrite it again as:

$(- 21 \times 2) a b = - 42 a b$ $(-21 xx 2)ab = -42ab$

How do you simplify 2ab(3)(−7)2ab(3)(-7)?