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Mathematics 13 Online
OpenStudy (anonymous):

Given:

OpenStudy (anonymous):

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Directrix (directrix):

The measure of a right angle is 90. So, your task is to solve the equation: x² - 27x = 90 x² - 27x - 90 = 0 Factor the left side and solve for x. You may prefer to use the Quadratic Formula. @itsKaylee

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