Equation last analysis
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Wiki Answers can not be trusted for example: Answer: 2+2=5
3(4-y) = 5(y+2), what does y =
An expression does not have answers or solutions because it's not an equation.
[ 8x - 2 = 14 ] is the equation.[ x = 2 ] is the solution to the equation.
2X^2 - 11X - 21 = 0 quadratic equation X = -b +/- sqrt(b^2 -4ac)/2a a = 2 b = - 11 c = - 21 X = -(-11) +/- sqrt[(-11)^2 - 4(2)(-21)]/2(2) X = [11 +/- sqrt( 289)]/4 X = [11 +/- 17]/4 X = 7 X = - 3/2 My TI-84 graphs original equation and confirms answers