write in standard form 3x^2-4=2x-9
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3x² - 4 = 2x - 9
3x² - 2x - 4 + 9 = 0
3x² - 2x + 5 = 0
This 3x² - 2x + 5 = 0 is standard form.
For all quadratic equations, ax² + bx + c = 0 is standard form.
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