Question

x /5 + 28 / x+2 = 5 ...quadratic equation​

Answer 1

Answer:

Step-by-step explanation:

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Answer 2

x=18,x=5

Step-by-step explanation:

$\frac{x}{5}+\frac{28}{x+2}=5\\\frac{x(x+2)+28(5)}{5x+10}=5\\\frac{x^2+2x+140}{5x+10}=5$

By cross multiplying we get,

$x^2+2x+140=25x+50\\x^2+2x-25x+140-50=0\\x^2-23x+90=0\\(x^2-5x)-(18x+90)=0\\x(x-5)-18(x-5)\\(x-18)(x-5)\\x=18 \\or\\x=5$