Question

Which of the following shows the square completed in the this equation?

x2 + 3x - 5 = 0
A. (x + 9)2 = 14
B. (x - 3)2 = 8
C. (x + 1.5)2 = 7.25

Answer 1

x^2 + 3x - 5 = 0
x^2 + 3x + (3/2)^2 - 5 = (3/2)^2
(x + 3/2)^2 = 9/4 + 5
(x + 1.5^)2 = 7.25
So the answer is C..

Answer 2

thnk u vishal

Answer 3

welcome...