Question

2(3a-4)+5(3a-4)=?????

Answer 1

6 а-8+15 а-20=21 а-28

Answer 2

6а-8+15а-20 = 21а-28

Answer 3

To solve the expression, you need to distribute the coefficients outside the parentheses:

2(3a - 4) + 5(3a - 4)

Distribute 2 and 5:

(2 * 3a) + (2 * -4) + (5 * 3a) + (5 * -4)

Now, simplify:

6a - 8 + 15a - 20

Combine like terms:

(6a + 15a) + (-8 - 20)

21a - 28

So, the simplified expression is 21a - 28.