Question

Find the value of c that makes the trinomial a perfect square. .
x² – 24x7c

Answer 1

144

Explanation:

The equation to find c is:

`((b)/(2) )^(2)`

So put -24 into b:

`((-24)/(2) )^(2)`

Which simplifies to:

144

So if you want to test this:

x^2 - 24x + 144

is

(x-12)^2