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Find the break even points of the polynomial $x^2-8x+9$ by putting it in the form of an equation and then set it equal to zero
Learn how to solve classify algebraic expressions problems step by step online.
$x^2-8x+9=0$
Learn how to solve classify algebraic expressions problems step by step online. Find the break even points of the expression x^2-8x+9. Find the break even points of the polynomial x^2-8x+9 by putting it in the form of an equation and then set it equal to zero. To find the roots of a polynomial of the form ax^2+bx+c we use the quadratic formula, where in this case a=1, b=-8 and c=9. Then substitute the values of the coefficients of the equation in the quadratic formula: \displaystyle x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}. Simplifying. To obtain the two solutions, divide the equation in two equations, one when \pm is positive (+), and another when \pm is negative (-).