Answer:
False
Step-by-step explanation:
Flip the equation.
−a<2
Divide both sides by -1.
a>−2
So, u would start by expanding the bracket and ignoring the 2 at the moment.
(x+9)(x+9)= x^2-18x+81(using the foil method!
Then u would put 2 at the front to get:
2(x^2+18x+81)
= 2x^2+36x+162
Step-by-step explanation:
▲ =1
easy peasy........
Answer:
-3.53553390593
Step-by-step explanation:
5(cos165-cos105)=-3.53553390593