we have

Complete the square. Remember to balance the equation by adding the same constants to each side



Rewrite as perfect squares

remember that

Square root both sides





Simplify



therefore
<u>the answer is</u>


I think it’s the second one
Answer:2
Step-by-step explanation:
7/2= 3.5
3.5/2= 1.75
1.75/2= 0.875
Answer:
x = -1/10
Step-by-step explanation:
3 + 2/5x = -1
multiply through by 5x to make the equation linear
3 × 5x + 2/5x × 5x/1 = -1 × 5x
15x + 2 = -5x
collect like terms
15x + 5x = -2
20x/20 = -2/20
x = - 1/10