solve by completing the perfect square. 3x^2 + 2x - 1 = 0
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3x^2 + 2x - 1 = 0
3x^2 + 3x - 1x - 1 = 0
3x(x+1) -1(x+1) = 0
(3x - 1)(x+1) = 0
3x - 1 = 0. or. x+1=0
x = 1/3. or x = -1
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salonidarji2004:
plzz mark it as brainliest
they asked perfect square....
then -1 will be correct
noo 1/3
y 1/3
1/3 is not a perfect square
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