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factor 3x^2-12x+9=0

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3x²−12x+9=0

Solution

x=1, x=3

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Quadratic formula

Completing the square

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3x²−12x+9=0

Factor 3x²−12x+9: 3(x−1)(x−3)

3(x−1)(x−3)=0

Using the Zero Factor Principle: If ab=0 then a=0 or b=0

x−1=0 or x−3=0

Solve x−1=0: x=1

Solve x−3=0: x=3

The solutions to the quadratic equation are:

x=1, x=3

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−▭▭	<	7	8	9	÷	`AC`
+▭▭	>	4	5	6	×	☐☐☐
×▭▭	(	1	2	3	−	`x`
▭ \|▭	)	.	0	=	+	`y`

factor 3x^2-12x+9=0

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