Answer
x = ±2.5
↓Steps Explained:↓
Solve the following equation
(4x+10)^2=400
Solve for x
(4x+10)2 = 400
Take the square root of each side:
√(4x+10)2 = √400
4x+10 = 20
Subtract - 10 from both sides of the equation
4x+10 - 10 = 20 - 10
4x=10
Divide each side of the equation by 4
| 4x | |
| 4 |
| 10 |
| 4 |
Build our solution:
x = ±2.5
Final Answer
x = ±2.5Related Calculators: Literal Equations | Simultaneous Equations | 4 unknowns using Cramers Rule