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Simplifying (y2 + -7)(3y2 + -8y + 7) = 0 Reorder the terms: (-7 + y2)(3y2 + -8y + 7) = 0 Reorder the terms: (-7 + y2)(7 + -8y + 3y2) = 0 Multiply (-7 + y2) * (7 + -8y + 3y2) (-7(7 + -8y + 3y2) + y2(7 + -8y + 3y2)) = 0 ((7 * -7 + -8y * -7 + 3y2 * -7) + y2(7 + -8y + 3y2)) = 0 ((-49 + 56y + -21y2) + y2(7 + -8y + 3y2)) = 0 (-49 + 56y + -21y2 + (7 * y2 + -8y * y2 + 3y2 * y2)) = 0 (-49 + 56y + -21y2 + (7y2 + -8y3 + 3y4)) = 0 Combine like terms: -21y2 + 7y2 = -14y2 (-49 + 56y + -14y2 + -8y3 + 3y4) = 0 Solving -49 + 56y + -14y2 + -8y3 + 3y4 = 0 Solving for variable 'y'. The solution to this equation could not be determined.
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