Question 1016187
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solve the equation 4x^2-12x=7 algebraically for x
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{{{4x^2 - 12x}}} = {{{7}}},

{{{4x^2 - 12x - 7}}} = {{{0}}}.


Apply the quadratic formula.

Do you know what is this?

See the lessons 
   <A HREF=http://www.algebra.com/algebra/homework/quadratic/lessons/Introduction-Into-Quadratics.lesson>Introduction into Quadratic Equations</A> and 
   <A HREF=http://www.algebra.com/algebra/homework/quadratic/lessons/proof-of-quadratic-by-completing-the-square.lesson>PROOF of quadratic formula by completing the square</A>

in this site.

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