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all over 2a equation. The calculator works for both numbers and expressions containing variables. X 2 2 2 41152.
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X 1 b b 2 4 a c 2 a and x 2 b b 2 4 a c 2 a displaystyle x_ 1 frac -b sqrt b 2-4ac 2aquad text andquad x_ 2 frac -b- sqrt b 2-4ac 2a Each of these two solutions is also called a root or zero of the quadratic equation. Used for quadratic equations where you cant factor. The equation is ax2 bx c.
The left side stays the same.
That and this are the same thing because these two middle terms b over 2a plus b over 2a thats the same thing as 2b over 2ax which is the same thing as b over ax. X 2 642. Try the equation 2x 2 x 1 0. Solving for X what we have to do then is subtract the B over 2A over.
