Melanneyviz
Answered

A. add the following polynomils.
1. 5x + 7y
3x + 4y
_________

B. subtract.
2. 9×
7×
________
​

Sagot :

Joshua5523viz

answer:

1.) 1. 5x + 7y

3x + 4y

_________

= 5×+21×y+4y

2.)2. 9×

7×

________

= 20.3×