Nilai x dari 2x2 + 8x - 9 = 0 dengan rumus abc adalah ..
Jawaban:
2x2 + 8x - 9 =0
4 + 8x - 9 = 0
8x - 9 =0 - 4
8x -9=-4
x -9 = -4 : 8
x - 9 = -0,5
x = -0,5 + 9 = 8,5
[answer.2.content]1000 places to see before you die (Chinese Edition)
1000 places to see before you die (Chinese Edition)
Jawaban:
2x2 + 8x - 9 =0
4 + 8x - 9 = 0
8x - 9 =0 - 4
8x -9=-4
x -9 = -4 : 8
x - 9 = -0,5
x = -0,5 + 9 = 8,5
[answer.2.content]