X 2 5 7

Step 1 :equation at the end of step 1 : You can also see that the midpoint of r and s corresponds to the axis of symmetry of the parabola represented by the quadratic equation y=x^2+bx+c. Get the answers you need, now! 2 see answers advertisement.

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Both equations must be equal, so we get 7x+2 = −3x−8 adding −2 on both sides and adding 3x. Rearrange the equation by subtracting what. Los uw wiskundeproblemen op met onze gratis wiskundehulp met stapsgewijze oplossingen. Two numbers r and s sum up to 5 exactly when the average of the two numbers is \frac{1}{2}*5 = \frac{5}{2}. You can also see that the midpoint of r and s corresponds to the axis of symmetry of the parabola represented by the quadratic equation y=x^2+bx+c. The values of r and s are equidistant from the center by an unknown quantity u. To use the direct factoring method, the equation must be in the form x^2+bx+c=0. this is achieved. It's really hard to put it into words so you should watch the video! You will get the same equation.