5×+7 (3×+2)=6 (4×+1) tolong di jwb yh
Matematika
syifa1447
Pertanyaan
5×+7 (3×+2)=6 (4×+1) tolong di jwb yh
2 Jawaban
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1. Jawaban YosafatKC
5x+7(3x+2) = 6(4x+1)
15x^2+ 10x + 21x+ 14= 24x+ 6
15x^2+ 31x+14=24x+6
15x^2+ 31x-24x+14-6=0
15x^2+ 7x+ 8=0 -
2. Jawaban Sutr1sn0
5x + 7(3x + 2) = 6(4x + 1)
5x + 21x + 14 = 24x + 6
26x + 14 = 24x + 6
26x - 24x = 6 - 14
2x = -8
x = -8/2
x = -4