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Simplifying 3a2 + -1[-7a + -1(6a2 + -4a)] + -1[-1 + (-8 + 1)] = o Reorder the terms: 3a2 + -1[-7a + -1(-4a + 6a2)] + -1[-1 + (-8 + 1)] = o 3a2 + -1[-7a + (-4a * -1 + 6a2 * -1)] + -1[-1 + (-8 + 1)] = o 3a2 + -1[-7a + (4a + -6a2)] + -1[-1 + (-8 + 1)] = o Combine like terms: -7a + 4a = -3a 3a2 + -1[-3a + -6a2] + -1[-1 + (-8 + 1)] = o 3a2 + [-3a * -1 + -6a2 * -1] + -1[-1 + (-8 + 1)] = o 3a2 + [3a + 6a2] + -1[-1 + (-8 + 1)] = o Combine like terms: -8 + 1 = -7 3a2 + 3a + 6a2 + -1[-1 + (-7)] = o 3a2 + 3a + 6a2 + -1[-1 + -7] = o Combine like terms: -1 + -7 = -8 3a2 + 3a + 6a2 + -1[-8] = o Multiply -1 * -8 3a2 + 3a + 6a2 + 8 = o Reorder the terms: 8 + 3a + 3a2 + 6a2 = o Combine like terms: 3a2 + 6a2 = 9a2 8 + 3a + 9a2 = o Solving 8 + 3a + 9a2 = o Solving for variable 'a'. Combine like terms: o + -1o = 0 8 + 3a + 9a2 + -1o = 0 The solution to this equation could not be determined.
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