Factoring Quadratics & Quadratic Applications

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x² - x = 42

A number is subtracted from its square and the result is 42. Find the number.

x (x + 2) = 120

Two consecutive even integers have a product of 120. Find the numbers.

x² + 2x - 143 = 0.

Two consecutive negative odd integers have a product of 143. Find the numbers.

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