Brother=b
b+9=11
b=2
2=1/5a
10=a
a=10
The answer is 10
Hope this helps :)
Given:

To find:
The product of the polynomials.
Solution:
1.

Multiply the numerical coefficient and add the powers of x.

2. 
Multiply each term of first polynomial with each term of 2nd polynomial.
Multiply the numerical coefficient and add the powers of x.


3. 
Multiply each term of first polynomial with each term of 2nd polynomial.
Multiply the numerical coefficient and add the powers of x.

Add or subtract like terms together.

The answer for multiplying polynomials:



All you have to do here is combine like terms.
5x + 9x = 14x
.5 - 2.5 = -2
14x - 2
Answer:
8
Step-by-step explanation: