Answer:
Infinite Answers
Step-by-step explanation:
You subtract 3x from both side which leaves you with 3=3, which leaves you to conclude there are infinite answers to this equation.
Y = 2(5x^2+1 + x^2+4)
plus in 5 for x, then get 31 feet
Answer:
1364
Step-by-step explanation:
use the calculator
(x + 4)(x - 4) = 9
x^2 - 16 = 9
x^2 = 9 + 16
x^2 = 25
x = sqrt 25
x = 5