Question

REALLY NEED HELP WITH THIS ONE

Add the proper constant to each binomial so that the resulting trinomial is a perfect square trinomial.

Then factor the trinomial.

z^(2)-10z

Answer 1

to factor you simple take out the z

Answer 2

This is the problem!

Answer 3

Take half of -10

Answer 4

What do you get

Answer 5

-5?

Answer 6

Now square that to get your final answer

Answer 7

square -5? or the entire problem

Answer 8

(-5)^2 = (-5)*(-5) = ??

Answer 9

its called completing the square

Answer 10

So the answer is -25?

Answer 11

no, the two negatives cancel

Answer 12

so its 25