Question

×2-3×-28=0 discriminant

Answer 1

Answer:

D = B² -4ac

D = (-3)² - 4(2)(28)

D = 9 - 224

D = -215 <0

not real

Answer 2

Answer:

121

Step-by-step explanation:

Let's find the discriminant.

x2−3x−28=0

Step 1: Find discriminant with a=1, b=-3, c=-28.

b2−4ac

=(−3)2−4(1)(−28)

=121

Answer:

121

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