What is the missing constant term in the perfect square that starts with x^2+10x?

Question

asked Mar 15, 2020 116k views

1 Answer

Sarasranglt · Answer 1 · 2020-03-21T22:41:53+0000

Answer:

+ 25

Explanation:

To complete the square

add ( half the coefficient of the x- term )²

the coefficient of the x- term is 5 and 5² = 25, hence

x² + 10x + 25 = (x + 5)² ← perfect square