To solve this equation, first expand both sides:
(7x + 2)(x - 2) = (7x^2 - 14x + 2x - 4) = 7x^2 - 12x - 4
4(x - 2)^2 = 4(x^2 - 4x + 4) = 4x^2 - 16x + 16
Now set the two expanded expressions equal to each other:
7x^2 - 12x - 4 = 4x^2 - 16x + 16
Subtract 4x^2 and 16x from both sides:
3x^2 - 28x - 4 = 0
Now, we have a quadratic equation to solve. We can use the quadratic formula:
x = (-b ± √(b^2 - 4ac)) / 2a
In this case, a = 3, b = -28, and c = -4:
x = (28 ± √((-28)^2 - 4(3)(-4))) / 2(3)x = (28 ± √(784 + 48)) / 6x = (28 ± √832) / 6x = (28 ± 28.85) / 6
Therefore, the solutions are:x = (28 + 28.85) / 6 = 9.81x = (28 - 28.85) / 6 = -0.14
So the solutions to the equation are x = 9.81 and x = -0.14.
To solve this equation, first expand both sides:
(7x + 2)(x - 2) = (7x^2 - 14x + 2x - 4) = 7x^2 - 12x - 4
4(x - 2)^2 = 4(x^2 - 4x + 4) = 4x^2 - 16x + 16
Now set the two expanded expressions equal to each other:
7x^2 - 12x - 4 = 4x^2 - 16x + 16
Subtract 4x^2 and 16x from both sides:
3x^2 - 28x - 4 = 0
Now, we have a quadratic equation to solve. We can use the quadratic formula:
x = (-b ± √(b^2 - 4ac)) / 2a
In this case, a = 3, b = -28, and c = -4:
x = (28 ± √((-28)^2 - 4(3)(-4))) / 2(3)
x = (28 ± √(784 + 48)) / 6
x = (28 ± √832) / 6
x = (28 ± 28.85) / 6
Therefore, the solutions are:
x = (28 + 28.85) / 6 = 9.81
x = (28 - 28.85) / 6 = -0.14
So the solutions to the equation are x = 9.81 and x = -0.14.