2 years ago

Use mathematics to calculate

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$4x² - 12x + 9 = 0$

Mathematics

1 answer:

Anestetic [448]2 years ago

8 0

$~~~~~~~4x^2-12x+9=0\\\\\implies (2x)^2-2 \cdot 2x \cdot 3+3^2 = 0\\\\\implies (2x-3)^2 = 0\\\\\implies 2x -3 = 0\\\\\implies x =\dfrac 32$

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