Question

plz give me answer after read examples​

Answer 1

Answer:

you try to do using the formula (a^2)-)b^2)=a^2+2ab-b^2

Answer 2

Answer:

1. 360

2.199

3.x with the power 2-4

4.9(x)with the power 2- 1

Step-by-step explanation:

Hope it helps you