Matematika

Pertanyaan

sederhanakan!
1)4x²-6x/-2x²-5x+12
2)-2x²-5x+3/2x²-7x+3
3)x²-1/x²+2x-3
4)7x²+41x-6/2x²+15x+18
5)8x²-8x/5x²+x-6

1 Jawaban

  • 1. 4x²-6x/-2x²-5x+12 = 2x.(2x-3) / -1.(2x-3).(x+4) = -2x/(x+4)

    2.
    -2x²-5x+3/2x²-7x+3 = -1.(2x-1)(x+3) / (2x-1)(x-3) = -(x+3)/(x-3) = (x+3)/(3-x)

    3.
    x²-1/x²+2x-3 = (x-1)(x+1) / (x+3)(x-1) = (x+1)/(x+3)

    4.
    7x²+41x-6/2x²+15x+18 = (7x-1)(x+6) / (2x+3)(x+6) = (7x-1)/(2x+3)

    5.
    8x²-8x/5x²+x-6 = 8x(x-1) / (5x+6)(x-1) = 8x/(5x+6)

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