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Simplifying H(x) = x2 + 4x + -7 Multiply H * x xH = x2 + 4x + -7 Reorder the terms: xH = -7 + 4x + x2 Solving xH = -7 + 4x + x2 Solving for variable 'x'. Reorder the terms: 7 + -4x + xH + -1x2 = -7 + 4x + x2 + 7 + -4x + -1x2 Reorder the terms: 7 + -4x + xH + -1x2 = -7 + 7 + 4x + -4x + x2 + -1x2 Combine like terms: -7 + 7 = 0 7 + -4x + xH + -1x2 = 0 + 4x + -4x + x2 + -1x2 7 + -4x + xH + -1x2 = 4x + -4x + x2 + -1x2 Combine like terms: 4x + -4x = 0 7 + -4x + xH + -1x2 = 0 + x2 + -1x2 7 + -4x + xH + -1x2 = x2 + -1x2 Combine like terms: x2 + -1x2 = 0 7 + -4x + xH + -1x2 = 0 The solution to this equation could not be determined.
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