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Cuadrado 1: lado = L
A1 = L^2
Cuadrado 2: lado = L + 5
A2 = (L + 5)^2
A1 + A2 = 7 = L^2 + (L + 5)^2
7 = L^2 + L^2 + 2L + 25
0 = 2L^2 + 2L + 18
L^2 + L + 9 = 0
Resolviendo por Báskara:
x = [-b +/- (raiz delta)]/2a
delta = b^2 - 4.a.c = 1 - 4.1.9 = - 35
delta negativo: no hay soluciones reales
Los cuadrados no existen