Answer:

Given Polynomials

Similar Terms

Explanations

they have vanable exponent

same and

1: 3x - 4x + 7xy + 9xy - 10x + 2y

3x.-4x and-10x 7xy and 9xy

2.

3

4x ^ 2 * y + 8x * y ^ 2 - 23x ^ 2 * y + 8x ^ 2 * y ^ 2

23nm - 13n ^ 3 * m + 5nm + 9n ^ 2 * m

4

6r ^ 2 - 8r ^ 2 + 10r ^ 2 + 6r + 16r

5

2a - 4a ^ 2 + 9a ^ 2 + 12ab * 7a

Note: 2y has no similar term because there's no other term the given polynomial that contains variable only.