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Simplifying (7x2 + 3)(7x2 + -3) = 0 Reorder the terms: (3 + 7x2)(7x2 + -3) = 0 Reorder the terms: (3 + 7x2)(-3 + 7x2) = 0 Multiply (3 + 7x2) * (-3 + 7x2) (3(-3 + 7x2) + 7x2 * (-3 + 7x2)) = 0 ((-3 * 3 + 7x2 * 3) + 7x2 * (-3 + 7x2)) = 0 ((-9 + 21x2) + 7x2 * (-3 + 7x2)) = 0 (-9 + 21x2 + (-3 * 7x2 + 7x2 * 7x2)) = 0 (-9 + 21x2 + (-21x2 + 49x4)) = 0 Combine like terms: 21x2 + -21x2 = 0 (-9 + 0 + 49x4) = 0 (-9 + 49x4) = 0 Solving -9 + 49x4 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + 49x4 = 0 + 9 Combine like terms: -9 + 9 = 0 0 + 49x4 = 0 + 9 49x4 = 0 + 9 Combine like terms: 0 + 9 = 9 49x4 = 9 Divide each side by '49'. x4 = 0.1836734694 Simplifying x4 = 0.1836734694 Reorder the terms: -0.1836734694 + x4 = 0.1836734694 + -0.1836734694 Combine like terms: 0.1836734694 + -0.1836734694 = 0.0000000000 -0.1836734694 + x4 = 0.0000000000 The solution to this equation could not be determined.
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