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March 28, 2017

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2x(x+3) = 0

Is there a way to solve that using the below methods?

Substitute zero for f(x) and find the roots of the resulting equation, or graph the function and determine the x-intercepts of the graph.

Finding the roots of a single variable equation may involve factoring. Except in the case of a linear equation, set the equation to zero before factoring. Recall the following techniques for factoring: common factors, difference of two squares, trinomials in the form x^2+bx+c=0, and trinomials of the form ax^2+bx+c=0

  • Math - ,

    2x(x+3)=0 then
    either 2x=0 or x+3=0 so
    x=0; or -3

  • Math - ,

    Thank you so much bobpursley, I was so confused on how to do this, you are a lifesaver!

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