Question

Given the equation y ^2 − 4y = 3, what constant must be added to both sides so the left side is the square of a binomial?

Answer 1

the constant that must be added is 4. that’s your answer.

Answer 2

4

Explanation:

y² − 4y = 3

y² - 2*2*y =3

y² - 2*2*y + 2² = 3 + 2²

(y - 2)² = 3 + 4