Question

What number should be added to both sides of the equation to complete the square?
x + 3x = 6

Answer 1

1.5 if u do the math ahhah yea yes yes

Answer 2

x + 3x = 6

4x = 6
Explanation: add x (1x) and 3x together as they are like terms

4x 6
—- = —
4. 4

6/4 = 1.5

x = 1.5

If we check our work, you can see it is correct

1.5 + 3(1.5) = 6

1.5 + 4.5 = 6 is a true statement.

Therefore, x = 1.5