Show That H Satisfies The Equation H² + 7h - 240 = 0

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Show that h satisfies the equation h² + 7h - 240 = 0
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A right angled triangle has a base that is 7 centimeters longer than its height, h centimeter. The hypotenuse of the triangle is 23 centimeters
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asked Mar 4, 2017 in Word Problem Answers by answer comment

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h^2+(h+7)^2=23^2=529 (Pythagoras). h^2+h^2+14h+49=529; 2h^2+14h=480; h^2+7h=240, h^2+7h-240=0 QED answered Mar 4, 2017 by Top Rated User (1.2m points) ask related question comment

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