Question #168239

Simplify

5/(x-2) + 1/ 4x - 8



1
Expert's answer
2021-03-05T01:16:52-0500

5x2+14x8\frac{5}{x-2}+\frac{1}{4x-8}\:


5(4x8)+(x2)(x2)(4x8)\frac{5\left(4x-8\right)+\left(x-2\right)}{\left(x-2\right)\left(4x-8\right)}


(20x40)+(x2)(x2)(4x8)\frac{\left(20x-40\right)+\left(x-2\right)}{\left(x-2\right)\left(4x-8\right)}


20x40+x2(x2)(4x8)\frac{20x-40+x-2}{\left(x-2\right)\left(4x-8\right)}\:


20x+x402x(4x8)2(4x8)\frac{20x+x-40-2}{x\left(4x-8\right)-2\left(4x-8\right)}


21x424x28x8x+16\frac{21x-42}{4x^2-8x-8x+16}


21x424x216x+16\frac{21x-42}{4x^2-16x+16}


21x424(x2)(x2)\frac{21x-42}{4\left(x-2\right)\left(x-2\right)}


21(x2)4(x2)(x2)\frac{21\left(x-2\right)}{4\left(x-2\right)\left(x-2\right)}


214(x2)\frac{21}{4\left(x-2\right)}


214x8\frac{21}{4x-8}



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