2. Select the correct answer.
Consider this quadratic equation.
2x2 - 1 = 3x + 4
Which equation correctly applies the quadratic formula?
OA.
I=
2
ОВ.
:-(-3) = V(+9)2 – 4(2)(-5)
-(-9) + (-3)2 - 4(-5)
I=
(2)
-(-3) (-3)2 – (2)(-5)
I=
(2)
-(-3) = V(-3)2 - 4(2)(-5)
2(2)
Ос. .
OD.
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