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Simplifying (7x2 + -1x + -5)(2x + 8) = 0 Reorder the terms: (-5 + -1x + 7x2)(2x + 8) = 0 Reorder the terms: (-5 + -1x + 7x2)(8 + 2x) = 0 Multiply (-5 + -1x + 7x2) * (8 + 2x) (-5(8 + 2x) + -1x * (8 + 2x) + 7x2 * (8 + 2x)) = 0 ((8 * -5 + 2x * -5) + -1x * (8 + 2x) + 7x2 * (8 + 2x)) = 0 ((-40 + -10x) + -1x * (8 + 2x) + 7x2 * (8 + 2x)) = 0 (-40 + -10x + (8 * -1x + 2x * -1x) + 7x2 * (8 + 2x)) = 0 (-40 + -10x + (-8x + -2x2) + 7x2 * (8 + 2x)) = 0 (-40 + -10x + -8x + -2x2 + (8 * 7x2 + 2x * 7x2)) = 0 (-40 + -10x + -8x + -2x2 + (56x2 + 14x3)) = 0 Combine like terms: -10x + -8x = -18x (-40 + -18x + -2x2 + 56x2 + 14x3) = 0 Combine like terms: -2x2 + 56x2 = 54x2 (-40 + -18x + 54x2 + 14x3) = 0 Solving -40 + -18x + 54x2 + 14x3 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '2'. 2(-20 + -9x + 27x2 + 7x3) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(-20 + -9x + 27x2 + 7x3)' equal to zero and attempt to solve: Simplifying -20 + -9x + 27x2 + 7x3 = 0 Solving -20 + -9x + 27x2 + 7x3 = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.
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