Question

Find the value of c that completes the square.
x^2+42x+c

Answer 1

\[x^2+bx+(\frac{b}{2})^2=(x+\frac{b}{2})^2 \]

Answer 2

x^2+bx+c
so in order to complete the square we need c to be equal to (b/2)^2

Answer 3

what is your b here?

Answer 4

6, 7

Answer 5

@freckles

Answer 6

c=(42/2)^2

Answer 7

c=441

Answer 8

@clamin