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Simplifying 4kx2 + -400 = 0 Reorder the terms: -400 + 4kx2 = 0 Solving -400 + 4kx2 = 0 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '400' to each side of the equation. -400 + 400 + 4kx2 = 0 + 400 Combine like terms: -400 + 400 = 0 0 + 4kx2 = 0 + 400 4kx2 = 0 + 400 Combine like terms: 0 + 400 = 400 4kx2 = 400 Divide each side by '4x2'. k = 100x-2 Simplifying k = 100x-2
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