5.2x²-15x-50=0 6.3x²-2x-8=0 7.6x²+5x-4=0 8.15x²-7x-2=0
Matematika
Re092
Pertanyaan
5.2x²-15x-50=0
6.3x²-2x-8=0
7.6x²+5x-4=0
8.15x²-7x-2=0
6.3x²-2x-8=0
7.6x²+5x-4=0
8.15x²-7x-2=0
1 Jawaban
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1. Jawaban Lulualfina
5. (2x+5)(x-10)= 0
x= -5/2, 10
6. (3x-4)(x+2)= 0
x= 4/3, -2
7. (3x+4)(2x-1)= 0
x= -4/3, 1/2
8. (5x+1)(3x-2)= 0
x= -1/5, 1/2