Answer:
15 yrs. old
Step-by-step explanation:
x+45=4x 45=3x 15=x

Hope this helps.
Brainliest would help me as well.
Answer:
Lesser = -
- 7 = -10.317
Greater = +
- 7 = -3.683
Step-by-step explanation:
I am assuming you are asking for the lesser x solution and greater x solution.
(x + 7)^2 – 11 = 0
(x + 7)^2 = 11
x+7 = ±
x = ±
- 7
Lesser = -
- 7 = -10.317
Greater = +
- 7 = -3.683
Answer:
1/8
Step-by-step explanation:
1/4 = 2/8 2/8-1/8=1/8
Just equate each factor to zero and solve