What should be subtracted to x2 + 2x + 2 to make it a perfect square?
3
4
2
1
x2 + 2x + 2, only when 1 is subtracted from the equation it will become x2 + 2x + 1, a perfect square in the form (x + 1)2 .
What number should be added to x2+6x to make it a perfect square?
What should be added to x2 + 2x + 0.5 to make it a perfect square?