Answer:
The answer simplifies to zero
Step-by-step explanation:
3 sqrt(128) - 2 sqrt(6) * 4 sqrt(3)
3 sqrt(128) - 8 sqrt(6*3)
3sqrt(128) - 8 sqrt(18)
3 sqrt(64*2) - 8 sqrt(9*2)
3 sqrt(64)sqrt(2) - 8 sqrt(9) sqrt(2)
3 * 8 * sqrt(2) - 8 * 3 * sqrt(2)
24 sqrt(2) - 24 sqrt(2)
0
9. Commutative Law, 11. Multiplicative Identity Property, 13. Distributive Law, 15. Inverse Property of Addition, 17. Commutative Law, 19. Distributive property (?)
Good luck, hope this helps!!
Ur answer is: -2a² + 7a + 1
Answer:
choice B
Step-by-step explanation:
