X2+4x +4 dan -5r + 75 =
Matematika
ulipsun2873
Pertanyaan
X2+4x +4 dan -5r + 75 =
1 Jawaban
-
1. Jawaban fmuzaki320ou9n9s
x² +4x +4 =0
(x+2)(x+2) = 0
x=-2 atau x =-2
-5r +75=0
-5r = -75
r = 15