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Help me with 3 and 4

Help me with 3 and 4-example-1
User Mariy
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2 Answers

13 votes

Answer:

3: x= 3.7912874, x= 0.79128784

4: x= 0.62181997, x= -4.28848664

Explanation:

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

User WebMatrix
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4.7k points
9 votes

3. Answer:

x=3/2+1/2√21 or x=3/2+-1/2√21

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

User Larryr
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