Simplify (3ax+4a)-(9x+15a)

$(3 a x + 4 a) - (9 x + 15 a)$

Step 1

Simplify each term.

Apply the distributive property.

$3 a x + 4 a - (9 x) - (15 a)$

Multiply $9$ by $- 1$ .

$3 a x + 4 a - 9 x - (15 a)$

Multiply $15$ by $- 1$ .

$3 a x + 4 a - 9 x - 15 a$

$3 a x + 4 a - 9 x - 15 a$

Step 2

Subtract $15 a$ from $4 a$ .

$3 a x - 11 a - 9 x$

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