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Simplifying -3x(-3x) + 4 = 1.2 Remove parenthesis around (-3x) -3x * -3x + 4 = 1.2 Reorder the terms for easier multiplication: -3 * -3x * x + 4 = 1.2 Multiply -3 * -3 9x * x + 4 = 1.2 Multiply x * x 9x2 + 4 = 1.2 Reorder the terms: 4 + 9x2 = 1.2 Solving 4 + 9x2 = 1.2 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + 9x2 = 1.2 + -4 Combine like terms: 4 + -4 = 0 0 + 9x2 = 1.2 + -4 9x2 = 1.2 + -4 Combine like terms: 1.2 + -4 = -2.8 9x2 = -2.8 Divide each side by '9'. x2 = -0.3111111111 Simplifying x2 = -0.3111111111 Reorder the terms: 0.3111111111 + x2 = -0.3111111111 + 0.3111111111 Combine like terms: -0.3111111111 + 0.3111111111 = 0.0000000000 0.3111111111 + x2 = 0.0000000000 The solution to this equation could not be determined.
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