3 years ago

What is the sum or difference? a. 5x4 + 4x4 b. 12x5y − 9x5y

Mathematics

1 answer:

nydimaria [60]3 years ago

4 0

Answer:

a. 9x^4

b. 3 x^5y

Step-by-step explanation:

a. 5x^4 + 4x^4

Combine like terms

9x^4

b. 12x^5 y − 9x^5 y

Subtract like terms

3 x^5y

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