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Find the break even points of the polynomial $\frac{21x^2+15x}{-3x}$ by putting it in the form of an equation and then set it equal to zero
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$\frac{21x^2+15x}{-3x}=0$
Learn how to solve definition of derivative problems step by step online. Find the break even points of the expression (21x^2+15x)/(-3x). Find the break even points of the polynomial \frac{21x^2+15x}{-3x} by putting it in the form of an equation and then set it equal to zero. Factor the polynomial 21x^2+15x by it's greatest common factor (GCF): 3x. Simplify the fraction . Take \frac{3}{-3} out of the fraction.