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In elementary algebra, the quadratic formula is the solution of the quadratic equation.

x=-b±b2-4ac2a

Water is made from two molecules - Hydrogen and Oxygen. If you put the two gasses together, along with energy, you can make water.

H2g+O2g2H2Ol


The entire formula for the surface area of a cylinder is 2πr2+2πrh

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