Proving the pq formula for solving quadratic equations

The pq formula is a nice formula for solving the quadratic equation in the form of x^2+px+q=0. US school curriculum usually does not teach the pq formula for solving the quadratic equation as x^2+px+q=0. We often learn the classic quadratic formula for ax^2+bx+c=0 in the US is a very nice formula whenever we cannot solve the quadratic equation by factoring.  Subscribe to ‪@bprpmathbasics‬ for more algebra tutorials.

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