Chemical reactions have the same number of atoms before the reaction as after the reaction. Balancing chemical equations is a basic skill in chemistry and testing yourself helps retain important information. This
Quadratic Equation Questions. Advertisement. The normal quadratic equation holds the form of Ax² +bx+c=0 and giving it the form of a realistic equation it can be written as 2x²+4x-5=0. In this equation the power of
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