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Simplifying 3b2 + -12 = 3(b2 + -4) Reorder the terms: -12 + 3b2 = 3(b2 + -4) Reorder the terms: -12 + 3b2 = 3(-4 + b2) -12 + 3b2 = (-4 * 3 + b2 * 3) -12 + 3b2 = (-12 + 3b2) Add '12' to each side of the equation. -12 + 12 + 3b2 = -12 + 12 + 3b2 Combine like terms: -12 + 12 = 0 0 + 3b2 = -12 + 12 + 3b2 3b2 = -12 + 12 + 3b2 Combine like terms: -12 + 12 = 0 3b2 = 0 + 3b2 3b2 = 3b2 Add '-3b2' to each side of the equation. 3b2 + -3b2 = 3b2 + -3b2 Combine like terms: 3b2 + -3b2 = 0 0 = 3b2 + -3b2 Combine like terms: 3b2 + -3b2 = 0 0 = 0 Solving 0 = 0 Couldn't find a variable to solve for. This equation is an identity, all real numbers are solutions.
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