Question:

Algebra question answered correctly?

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Simplify ((a)/2x+h)-(a/(2x))/h

My answer is

a/(4x^2 + 2hx)

Is this correct?

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3 ANSWERS


  1. i really have no clue what u just wrote


  2. a/(2x+h)-(a/(2x))/h

    = ah/(h(2x+h))-(a/(2x))(2x+h)/(h(2x+h)) ---Change to LCDs.

    = ah/(h(2x+h))-((a(2x+h))/2x)/(h(2x+h)) ---Multiply.

    = ah/(h(2x+h))-((2ax+ah)/2x)/(h(2x+h)) ---Distribute a to (2x+h).

    = ah/(h(2x+h))-((2ax+ah)/(2xh(2x+h)) ---Divide.

    = 2xah/(2xh(2x+2))-(2ax+ah)/(2xh(2x+h)) ---Change to LCDs.

    = (2xah-2ax-ah)/(2xh(2x+h)) ---Subtract.

  3. I get (a/2x)(1+h-[1/h]), assuming I'm reading it properly. I don't know how you got your answer at all.

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