9. Which of the following quadratic equation is in standard form?
a x² + 3 = 4x
c. -81 + x = 3x
b. -4x2-x+ 5 = 0
d. 3x + 2x2 = 9
Write Your Answer below
a x² + 3 = 4x
c. -81 + x = 3x
b. -4x2-x+ 5 = 0
d. 3x + 2x2 = 9
Write Your Answer below
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