Answer:
4x2-9
Step-by-step explanation:
it would be that because the number is in the c acis
(4 x 4) - (4/4)
= 16 - 1
= 15
Answer:
x=0
Step-by-step explanation:
If you combine like terms it is x^2 +6x -27=-27
x^2 +6x =0
x^2=0
x=0
Now get the square root of 30
