Complete the SquareSolve for x over the real numbers:(x - 8)^2 - 100 = 0
Add 100 to both sides:(x - 8)^2 = 100
Take the square root of both sides:x - 8 = 10 or x - 8 = -10
Add 8 to both sides:x = 18 or x - 8 = -10
Add 8 to both sides:Answer: x = 18 or x = -2
Answer:
x = 8°
Step-by-step explanation:
(7 x + 1) + (3 x +9) = 90
10 x + 10 = 90
10 x = 80
x = 8°