Answer:
Step-by-step explanation:
-1<x<3. I hope it helpful!
Answer is: 10
See the workup in photo below.
Answer:
Step-by-step explanation:
9(2+1)=18+9
9(5-2)=45-18
4(1-8)=4-32
9(2=9)=18+81
Answer:
(x + 1/2)^2 = 289/4
Step-by-step explanation:
x^2+x-72=0
Write like this:
(x + ___)^2 = ___
put 72 on other side
x^2 + x = 72
x^ + x + (1/4) = 72 + (1/4)
(x + 1/2)^2 = 289/4
x + (1/2) = 17/2
