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help me with 3 and 4

Help Me With 3 And 4 class=

Sagot :

abagailsmith2006

3. Answer:

x=3/2+1/2√21 or x=3/2+-1/2√21

Step-by-step explanation:

For this equation: a=1, b=-3, c=-3

1x2+−3x+−3=0

Step 1: Use quadratic formula with a=1, b=-3, c=-3.

x=−b±√b^2−4ac/2a

x=−(−3)±√(−3)^2−4(1)(−3)/2(1)

x=3±√21/2

x=3/2+1/2√21 or x=3/2+−1/2√21

Mdtroncoso

Answer:

3: x= 3.7912874, x= 0.79128784

4: x= 0.62181997, x= -4.28848664

Step-by-step explanation:

It’s all solve for x what number actually makes the equation true.

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