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Simplifying (x + -8)(x + -8) = -2 Reorder the terms: (-8 + x)(x + -8) = -2 Reorder the terms: (-8 + x)(-8 + x) = -2 Multiply (-8 + x) * (-8 + x) (-8(-8 + x) + x(-8 + x)) = -2 ((-8 * -8 + x * -8) + x(-8 + x)) = -2 ((64 + -8x) + x(-8 + x)) = -2 (64 + -8x + (-8 * x + x * x)) = -2 (64 + -8x + (-8x + x2)) = -2 Combine like terms: -8x + -8x = -16x (64 + -16x + x2) = -2 Solving 64 + -16x + x2 = -2 Solving for variable 'x'. Reorder the terms: 64 + 2 + -16x + x2 = -2 + 2 Combine like terms: 64 + 2 = 66 66 + -16x + x2 = -2 + 2 Combine like terms: -2 + 2 = 0 66 + -16x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '-66' to each side of the equation. 66 + -16x + -66 + x2 = 0 + -66 Reorder the terms: 66 + -66 + -16x + x2 = 0 + -66 Combine like terms: 66 + -66 = 0 0 + -16x + x2 = 0 + -66 -16x + x2 = 0 + -66 Combine like terms: 0 + -66 = -66 -16x + x2 = -66 The x term is -16x. Take half its coefficient (-8). Square it (64) and add it to both sides. Add '64' to each side of the equation. -16x + 64 + x2 = -66 + 64 Reorder the terms: 64 + -16x + x2 = -66 + 64 Combine like terms: -66 + 64 = -2 64 + -16x + x2 = -2 Factor a perfect square on the left side: (x + -8)(x + -8) = -2 Can't calculate square root of the right side. The solution to this equation could not be determined.
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