Answer:
If it wants you simplify the answer 6x + 21
Step-by-step explanation:
4x times 2x = 8x. Then 4x times 3 = 12x
Then 8x + 12x = 20x
-7 times 2x = -14x. Then -7 times -3 = 21
20x - 14x = 6x + 21
I hope that helped! :)
