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X + 10 el número de cm de alto
X(X + 10) = 264 X² + 10X - 264 = 0 a = 1 b = 10 c = -264
X = ( -10 + ó - √(10² - 4(1)(-264))/2(1) X = (-10 + ó - √1156)/2
X = (-10 + ó - 34)/2 X1 = 12 X2 = - 22 no es solución del problema
ancho = 12 cm y alto = 22 cm