(2x+7)(2x-7)=o

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Solution for (2x+7)(2x-7)=o equation:


Simplifying
(2x + 7)(2x + -7) = o

Reorder the terms:
(7 + 2x)(2x + -7) = o

Reorder the terms:
(7 + 2x)(-7 + 2x) = o

Multiply (7 + 2x) * (-7 + 2x)
(7(-7 + 2x) + 2x * (-7 + 2x)) = o
((-7 * 7 + 2x * 7) + 2x * (-7 + 2x)) = o
((-49 + 14x) + 2x * (-7 + 2x)) = o
(-49 + 14x + (-7 * 2x + 2x * 2x)) = o
(-49 + 14x + (-14x + 4x2)) = o

Combine like terms: 14x + -14x = 0
(-49 + 0 + 4x2) = o
(-49 + 4x2) = o

Solving
-49 + 4x2 = o

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '49' to each side of the equation.
-49 + 49 + 4x2 = 49 + o

Combine like terms: -49 + 49 = 0
0 + 4x2 = 49 + o
4x2 = 49 + o

Divide each side by '4'.
x2 = 12.25 + 0.25o

Simplifying
x2 = 12.25 + 0.25o

Reorder the terms:
-12.25 + -0.25o + x2 = 12.25 + 0.25o + -12.25 + -0.25o

Reorder the terms:
-12.25 + -0.25o + x2 = 12.25 + -12.25 + 0.25o + -0.25o

Combine like terms: 12.25 + -12.25 = 0.00
-12.25 + -0.25o + x2 = 0.00 + 0.25o + -0.25o
-12.25 + -0.25o + x2 = 0.25o + -0.25o

Combine like terms: 0.25o + -0.25o = 0.00
-12.25 + -0.25o + x2 = 0.00

The solution to this equation could not be determined.

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