" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x*(x+7)=30
x²+7x=30
x²-7x-30=0
(x-10)(x+3)=0
x-10=0
x=10
x+3=0
x=-3
Las medidas son 3 y 10.