For this case we must simplify the following expression:

So, if we apply distributive property to the terms within parentheses we have:

We simplify taking into account that:
- Equal signs are added and the same sign is placed.
- Different signs are subtracted and the major sign is placed.

Answer:

Answer:
See explanation
Step-by-step explanation:
look photo
Answer:
a= 135
Step-by-step explanation:
18*15=135
Answer:
7.1 I am pretty sure okay cya
Answer:
4x^2+15
Step-by-step explanation:
1. multiply whole parenthesis by power of 2
2. gets you 4(x^2+4)-1
3.Multply and it gets you 4x^2+16-1 so it would be 4x^2+15 for your answer
4. throw that into your calculator and make sure its not on radian mode and then press graph