add the following
a. 7a²bc, -3abc², 2abc²
b. 9ax, 3by-cz, -5by+ax+3cz
Answers
Answered by
3
Answer:
a. a²bc - abc²
b. 10ax - 2by + 2cz
Step-by-step explanation:
a.
= a²bc + (-3abc²) + 2abc²
= a²bc + (-abc²)
= a²bc - abc²
b.
= 9ax + 3by - cz + (-5by) + ax + 3cz
Arrange like terms
= (9ax + ax) + (3by -5by) + (-cz +3cz)
= 10ax + (-2by) + 2cz
= 10ax - 2by + 2cz
Similar questions