| × - 7 | = | × + 1 |
Matematika
rikadahlia2000ov39cr
Pertanyaan
| × - 7 | = | × + 1 |
1 Jawaban
-
1. Jawaban Raayy
X.X =X²
X+1= X
-7.X= - 7X
-7.+1 = - 7
Jadi...
X²+X-7X-7=
X²-6X-7..