Cari x! |2x-5|=3x+10

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Cari x!
|2x-5|=3x+10

Jawaban Terkonfirmasi

|2x-5| = 3x+10
(2x-5)² = (3x+10)²
4x²-20x+25 = 9x²+60x+100
5x²+80x+75x = 0 –> dibagi 5
x²+16x+15 = 0
(x+15)(x+1) = 0
x = -15 atau x = -1

Salam..
Smoga suksess ^^

2x-5 = 3x+10
2x-3x = 10+5
-x = 15
x = -15 (karna x gaboleh minus)