Question 618944
Simplify the expression:

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

Multiply using the FOIL Method

2a * 5a = 10a^2

2a * 4 = 8a

-3 * 5a = -15a

-3 * 4 = -12

10a^2 + 8a - 15a - 12

Combine like terms:

8a - 15a = -7a

The Answer:

10a^2 - 7a - 12