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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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