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Simplifying 9x2 + -1(-2a2) + -448 = 0 Remove parenthesis around (-2a2) 9x2 + -1 * -2a2 + -448 = 0 Multiply -1 * -2 9x2 + 2a2 + -448 = 0 Reorder the terms: -448 + 2a2 + 9x2 = 0 Solving -448 + 2a2 + 9x2 = 0 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '448' to each side of the equation. -448 + 2a2 + 448 + 9x2 = 0 + 448 Reorder the terms: -448 + 448 + 2a2 + 9x2 = 0 + 448 Combine like terms: -448 + 448 = 0 0 + 2a2 + 9x2 = 0 + 448 2a2 + 9x2 = 0 + 448 Combine like terms: 0 + 448 = 448 2a2 + 9x2 = 448 Add '-9x2' to each side of the equation. 2a2 + 9x2 + -9x2 = 448 + -9x2 Combine like terms: 9x2 + -9x2 = 0 2a2 + 0 = 448 + -9x2 2a2 = 448 + -9x2 Divide each side by '2'. a2 = 224 + -4.5x2 Simplifying a2 = 224 + -4.5x2 Reorder the terms: -224 + a2 + 4.5x2 = 224 + -4.5x2 + -224 + 4.5x2 Reorder the terms: -224 + a2 + 4.5x2 = 224 + -224 + -4.5x2 + 4.5x2 Combine like terms: 224 + -224 = 0 -224 + a2 + 4.5x2 = 0 + -4.5x2 + 4.5x2 -224 + a2 + 4.5x2 = -4.5x2 + 4.5x2 Combine like terms: -4.5x2 + 4.5x2 = 0.0 -224 + a2 + 4.5x2 = 0.0 The solution to this equation could not be determined.
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