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Simplifying 4 = x2 + 4bx + 13 Reorder the terms: 4 = 13 + 4bx + x2 Solving 4 = 13 + 4bx + x2 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '-4bx' to each side of the equation. 4 + -4bx = 13 + 4bx + -4bx + x2 Combine like terms: 4bx + -4bx = 0 4 + -4bx = 13 + 0 + x2 4 + -4bx = 13 + x2 Add '-4' to each side of the equation. 4 + -4 + -4bx = 13 + -4 + x2 Combine like terms: 4 + -4 = 0 0 + -4bx = 13 + -4 + x2 -4bx = 13 + -4 + x2 Combine like terms: 13 + -4 = 9 -4bx = 9 + x2 Divide each side by '-4x'. b = -2.25x-1 + -0.25x Simplifying b = -2.25x-1 + -0.25x
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