Question

Find the value of c that completes the square.
a2 + 12a + c

Answer 1

c = 36

Explanation:

Given

a² + 12a + c

To complete the square

add ( half the coefficient of the a- term )² to a² + 12a

a² + 2(6)a + 6²

= (a + 6)² + 36

Hence the value of c = 36