README-en.md edited online with Bitbucket

README-en.md

 
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-5. To play, the frog should leap from one leaf to another. Note that the leaves have values for $$x_1$$ and $$x_2$$. These values represent the intersects of the parabola with the $$x$$-axis. You should input the values for the coefficients $$a, b, c$$ of the quadratic equation so that its graph that is a parabola that opens down and intersects the $$x$$-axis in the values $$x_1, x_2$$ shown in the leaves. You can obtain these values noting that
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- $$a x^2 + b x + c = a(x-x_1)(x-x_2),$$
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- as in the explanation above. 
+5. To play, the frog should leap from one leaf to another. Note that the leaves have values for $$x_1$$ and $$x_2$$. These values represent the intersects of the parabola with the $$x$$-axis. You should input the values for the coefficients $$a, b, c$$ of the quadratic equation so that its graph that is a parabola that opens down and intersects the $$x$$-axis in the values $$x_1, x_2$$ shown in the leaves. You can obtain these values noting that $$a x^2 + b x + c = a(x-x_1)(x-x_2),$$ as in the explanation above.