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Solve the quadratic equation $x^2-4x=-2x-1$

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 Videos

Tutorial - Learn how to apply the square root method to solve a quadratic ex 9, y=(1/2)x^2 - (2/9)

https://www.youtube.com/watch?v=qgPR9fykzFM

Pre-Calculus - Using the square root method to solve a quadratic equation, (1/2)x^2 + 3 = 19

https://www.youtube.com/watch?v=dvE_W89LrqA

Applying the difference of two squares with fractions, (1/4)x^2 - (1/4)

https://www.youtube.com/watch?v=iCJqYiruM98

Algebra 2 - Learn how solve a quadratic by completing the square with fractions, x^2 + 3x + 6 = 0

https://www.youtube.com/watch?v=KWBr5zM3tXs

Algebra 2 - Learn how to solve a quadratic equation by factoring x^2 - 4x = 21

https://www.youtube.com/watch?v=d2lzmhEwvLo

Algebra 1 - Solve an equation with a rational term 1/x= 3+ 7/x^2+7x ex 2

https://www.youtube.com/watch?v=OjNDpBeMpxI

Main Topic: Quadratic Equations

The quadratic equations (or second degree equations) are those equations where the greatest exponent to which the unknown is raised is the exponent 2.

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