chinania67 chinania67

16-08-2020
Mathematics

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The equation 9 x 2 − 12 x + 4 = 0 9 x 2 − 12 x + 4 = 0 has how many different solutions?

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WojtekR WojtekR

16-08-2020

We have the equation:

[tex]9x^2-12x+4=0[/tex]

so:

[tex]a=9\qquad b=-12\qquad c=4[/tex]

and:

[tex]\Delta=b^2-4ac=(-12)^2-4\cdot9\cdot4=144-144=\boxed{0}[/tex]

This equation has one solution.

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