To factor trinomials, you can use a variety of methods such as completing the square, quadratic formula, or even better, your graphing calculator. But let's focus on the first two. By completing the square and using the quadratic formula, you find the x values where y is equal to zero, which solves the formula. Just hope that you don't have type ax2 +bx +c blood. If you should happen to need a transfusion, it's highly unlikely that anyone else in the UFC arena would be a match.
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