How do you factor the expression $8 a + 24$ $8a + 24$ ?

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Answer 1 · 2016-03-05T12:10:33

$8 (a + 3)$ $8(a+3)$

Given: $8 a + 24$ $" "color(blue)(8)a+color(magenta)(24)$

You look for a number than can be divided into both 8 and 24

$8 \times 1 = 8$ $color(blue)(8xx1 =8)$
$8 \times 3 = 24$ $color(magenta)(8xx3=24)$

$8 (1 a + 3)$ $8(color(blue)(1)a+color(magenta)(3))$

But $1 \times a = a$ $1xxa = a$

$8 (a + 3)$ $8(a+3)$

How do you factor the expression 8a+248a + 24?