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Simplifying x2 + 7x + bx + 7b = 0 Reorder the terms: 7b + bx + 7x + x2 = 0 Solving 7b + bx + 7x + x2 = 0 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '-7x' to each side of the equation. 7b + bx + 7x + -7x + x2 = 0 + -7x Combine like terms: 7x + -7x = 0 7b + bx + 0 + x2 = 0 + -7x 7b + bx + x2 = 0 + -7x Remove the zero: 7b + bx + x2 = -7x Add '-1x2' to each side of the equation. 7b + bx + x2 + -1x2 = -7x + -1x2 Combine like terms: x2 + -1x2 = 0 7b + bx + 0 = -7x + -1x2 7b + bx = -7x + -1x2 Reorder the terms: 7b + bx + 7x + x2 = -7x + 7x + -1x2 + x2 Combine like terms: -7x + 7x = 0 7b + bx + 7x + x2 = 0 + -1x2 + x2 7b + bx + 7x + x2 = -1x2 + x2 Combine like terms: -1x2 + x2 = 0 7b + bx + 7x + x2 = 0 The solution to this equation could not be determined.
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