Algebra 1 Item No 38
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The document evaluates several algebraic expressions to determine which one is true. It uses the identity a2 - b2 = (a + b)(a - b) to more easily simplify the expressions. For choice C, 88^2 - 87^2 = (88 + 87)(88 - 87) = 175, making it the only expression that is true. The document shows the working for the other choices to demonstrate they do not equal the right side of the expression.
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Algebra1 Item #78
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