Question

. Solve by using Discriminant Method:
9x^2- 12x + 4 =0​

Answer 1

Answer:

$discriminant(d) = {b}^{2} - 4ac \\ b = 12 \\ a = 9 \\ c = 4 \\ ( { - 12}^{2} ) - 4(9)(4) = 0 \\ 144 - 144 = 0 \\ 0 = 0$

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Answer 2

Answer:

Use the formula b^2-4ac/2a

So,144-4×9×4/2×9

144-144/18

=0

Step-by-step explanation:

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