using by?

By extracting it with the square roots ,

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using by?

By extracting it with the square roots ,

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Hi :) Maybe this can help.

A=4, B=255, C=0

Two Way to Form the Standard of QUADRATIC ax^{2}+bx+c=0 or 0=ax^{2}+bx+c

for the 4

0=4x^{2}-255 like this.....