tolong bantu kerjakan dong
Matematika
farina2002
Pertanyaan
tolong bantu kerjakan dong
1 Jawaban
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1. Jawaban SadonoSukirno
y = y
x² + 3x + 3 = 2x + 5
x² + 3x - 2x + 3 - 5 = 0
x² + x - 2 = 0
(x + 2)(x - 1) = 0
x = -2 dan x = 1
y = 2(-2) + 5 = -4 + 5 = 1
y = 2(1) + 5 = 7
maka hp (-2,1) dan (1,7)