simplify 50 points...................
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Step-by-step explanation:
1/x²-7x+12 + 1/x²-9x+20 + 1/x²-8x+15
1/x²-(4+3)x+12 + 1/x²-(5+4)x+20 + 1/x²-(5+3)x+15
1/x²-4x-3x+12+ 1/x²-5x-4x+20 + 1/x²-5x-3x+15
1/x(x-4)-3(x-4) + 1/x(x-5)-4(x-5) + 1/x(x-5)-3(x-5)
1/(x-4)(x-3) + 1/(x-5)(x-4) + 1/(x-5)(x-3)
(x-5)+(x-3)+(x-4) / (x-5)(x-3)(x-4)
3x-12 / (x-5)(x-3)(x-4)
3(x-4) / (x-5)(x-3)(x-4)
3/(x-5)(x-3)
Answer:
Step-by-step explanation:
1/x²-7x+12 + 1/x²-9x+20 + 1/x²-8x+15
1/x²-(4+3)x+12 + 1/x²-(5+4)x+20 + 1/x²-(5+3)x+15
1/x²-4x-3x+12+ 1/x²-5x-4x+20 + 1/x²-5x-3x+15
1/x(x-4)-3(x-4) + 1/x(x-5)-4(x-5) + 1/x(x-5)-3(x-5)
1/(x-4)(x-3) + 1/(x-5)(x-4) + 1/(x-5)(x-3)
(x-5)+(x-3)+(x-4) / (x-5)(x-3)(x-4)
3x-12 / (x-5)(x-3)(x-4)
3(x-4) / (x-5)(x-3)(x-4)
3/(x-5)(x-3)