" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x² + 7x + 4x + 28 = 0
x(x+7) + 4(x +7) = 0
(x + 4)(x+7) = 0
x + 4 = 0 >>>> x = -4
x + 7 = 0 >>>> x = -7
jawaban : d