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Simplifying -160 = -20b(-2b) Remove parenthesis around (-2b) -160 = -20b * -2b Reorder the terms for easier multiplication: -160 = -20 * -2b * b Multiply -20 * -2 -160 = 40b * b Multiply b * b -160 = 40b2 Solving -160 = 40b2 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '-40b2' to each side of the equation. -160 + -40b2 = 40b2 + -40b2 Combine like terms: 40b2 + -40b2 = 0 -160 + -40b2 = 0 Add '160' to each side of the equation. -160 + 160 + -40b2 = 0 + 160 Combine like terms: -160 + 160 = 0 0 + -40b2 = 0 + 160 -40b2 = 0 + 160 Combine like terms: 0 + 160 = 160 -40b2 = 160 Divide each side by '-40'. b2 = -4 Simplifying b2 = -4 Reorder the terms: 4 + b2 = -4 + 4 Combine like terms: -4 + 4 = 0 4 + b2 = 0 The solution to this equation could not be determined.
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