Question

Find the value of k that are added that must add make a perfect square ,×2+12×+k

Answer 1

Answer:

K=6

Step-by-step explanation:

$x^{2} +12x+k\\x^{2}+2(6)x+k$

By inspection method we ca say k is 6 making perfect square

$x^{2} +2(6)x+(6)^2\\(x+6)^2$