The problem is to solve the equation $(5x - 2)^2 = 16$ using the square root property.

AlgebraQuadratic EquationsSquare Root PropertySolving Equations
2025/4/21

1. Problem Description

The problem is to solve the equation (5x2)2=16(5x - 2)^2 = 16 using the square root property.

2. Solution Steps

We are given the equation (5x2)2=16(5x - 2)^2 = 16.
To solve for xx, we take the square root of both sides of the equation:
(5x2)2=16\sqrt{(5x - 2)^2} = \sqrt{16}
5x2=±45x - 2 = \pm 4
Now we have two cases to consider:
Case 1: 5x2=45x - 2 = 4
5x=4+25x = 4 + 2
5x=65x = 6
x=65x = \frac{6}{5}
Case 2: 5x2=45x - 2 = -4
5x=4+25x = -4 + 2
5x=25x = -2
x=25x = -\frac{2}{5}

3. Final Answer

The solutions are x=65,25x = \frac{6}{5}, -\frac{2}{5}.

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