Need help with algebra

Algebra
Tutor: None Selected Time limit: 1 Day

Use the method of completing the square to transform the quadratic equation into the equation form (x – p)2 = q.

-12 + -5x2 + 2x4 = 0

A)

B)

C)

D)

May 11th, 2015

-12 + -5x2 + 2x4 = 0

Divide this equation by 2

x^4 - 5/2 x^2 - 6 = 0

x^4 - 2.5 x^2 - 6 = 0

x^4 - 2.5 x^2 - 6 + 1.25^2 - 1.25^2 = 0

( x^2 - 1.25 ) ^2 = 7.5625

May 11th, 2015

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