no 57)
anggap aja m = y+3
jadi
m² -m -2 = 0
(m+1)(m-2) = 0
m1= -1 atau m2 = 2
y + 3 = m1
y + 3 = -1
y = -4
p = -4
y +3 = 2
y = -1
q = -1
p + q = -4 + (-1) = -5
no 58)
x² - 3x = 2 - x²
x² -3x - 2 + x² = 0
2x² - 3x - 2 = 0
x1 + x2 = -b/a = 3/2
6x1 + 6x2 =
6(x1+x2) =
6(3/2) =
9
Jawaban :
57) –5 ( Jawaban Opsi B )
58) 9 ( Jawaban Opsi C )
Penjelasan Dengan Langkah-langkah Ada Pada Gambar ✅
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no 57)
anggap aja m = y+3
jadi
m² -m -2 = 0
(m+1)(m-2) = 0
m1= -1 atau m2 = 2
y + 3 = m1
y + 3 = -1
y = -4
p = -4
y +3 = 2
y = -1
q = -1
p + q = -4 + (-1) = -5
no 58)
x² - 3x = 2 - x²
x² -3x - 2 + x² = 0
2x² - 3x - 2 = 0
x1 + x2 = -b/a = 3/2
6x1 + 6x2 =
6(x1+x2) =
6(3/2) =
9
Jawaban :
57) –5 ( Jawaban Opsi B )
58) 9 ( Jawaban Opsi C )
Penjelasan Dengan Langkah-langkah Ada Pada Gambar ✅