Answer:
This means c=100. The factored form is [tex](x+10)^2[/tex].
Step-by-step explanation:
A perfect square is a trinomial that factors into the form [tex](x+a)^2[/tex]. To find the value of C to finish the perfect square divide 20 by 2 and square it.
20/2 = 10
10*10=100
This means c=100. The factored form is [tex](x+10)^2[/tex].
