Question

combine like terms to simplify the following experience 3a(a+4)-2a+7​

Answer 1

Answer:

as follows

Step-by-step explanation:

(4a+12a)-2a+7

16a-2a+7

14a+7

Answer 2

Answer:

$3a(a + 4 )- 2a + 7 \\ = 3 {a}^{2} + 12a - 2a + 7 \\ = 3 {a}^{2} + 10a + 7$

Step-by-step explanation:

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