Question

What number should be added to both sides of the equation to complete the square?

x^2-10x=12​

Answer 1

Explanation:

x²-10x = 12

Coefficient of the x term: -10

Divide in half: -5

Square it: (-5)² = 5²

Add 5² to both sides:

x²-10x+5² = 12+5²

(x-5)² = 37