Matematika

Pertanyaan

Carikan bsok ada pelajaran plus bantulah cri pahala
Carikan bsok ada pelajaran plus bantulah cri pahala

1 Jawaban


  • [tex]5 (|2x - 3| ) {}^{2} = 2 ( |3 - 5x| ) {}^{2} \\ 5(4x {}^{2} - 12x + 9) = 2(25 {x}^{2} - 30x + 9) \\ 20 {x}^{2} - 60x + 45 =50 {x}^{2} - 60x - 18 \\ - 30 {x}^{2} + 63 = 0 \\ - 30 {x}^{2} = - 63 \\ {x}^{2} = \frac{63}{30} \\ x = \sqrt{ \frac{21}{10} } \\ x = 1.45[/tex]