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Simplifying F(x) = (x + 7)(8x + -4) Multiply F * x xF = (x + 7)(8x + -4) Reorder the terms: xF = (7 + x)(8x + -4) Reorder the terms: xF = (7 + x)(-4 + 8x) Multiply (7 + x) * (-4 + 8x) xF = (7(-4 + 8x) + x(-4 + 8x)) xF = ((-4 * 7 + 8x * 7) + x(-4 + 8x)) xF = ((-28 + 56x) + x(-4 + 8x)) xF = (-28 + 56x + (-4 * x + 8x * x)) xF = (-28 + 56x + (-4x + 8x2)) Combine like terms: 56x + -4x = 52x xF = (-28 + 52x + 8x2) Solving xF = -28 + 52x + 8x2 Solving for variable 'x'. Reorder the terms: 28 + -52x + xF + -8x2 = -28 + 52x + 8x2 + 28 + -52x + -8x2 Reorder the terms: 28 + -52x + xF + -8x2 = -28 + 28 + 52x + -52x + 8x2 + -8x2 Combine like terms: -28 + 28 = 0 28 + -52x + xF + -8x2 = 0 + 52x + -52x + 8x2 + -8x2 28 + -52x + xF + -8x2 = 52x + -52x + 8x2 + -8x2 Combine like terms: 52x + -52x = 0 28 + -52x + xF + -8x2 = 0 + 8x2 + -8x2 28 + -52x + xF + -8x2 = 8x2 + -8x2 Combine like terms: 8x2 + -8x2 = 0 28 + -52x + xF + -8x2 = 0 The solution to this equation could not be determined.
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