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Simplifying 10(5.5 * 5.5) + -10(4.5 * 4.5) = 100 Multiply 5.5 * 5.5 10(30.25) + -10(4.5 * 4.5) = 100 Multiply 10 * 30.25 302.5 + -10(4.5 * 4.5) = 100 Multiply 4.5 * 4.5 302.5 + -10(20.25) = 100 Multiply -10 * 20.25 302.5 + -202.5 = 100 Combine like terms: 302.5 + -202.5 = 100 100 = 100 Add '-100' to each side of the equation. 100 + -100 = 100 + -100 Combine like terms: 100 + -100 = 0 0 = 100 + -100 Combine like terms: 100 + -100 = 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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