solve for a perfect square

label Algebra
account_circle Unassigned
schedule 1 Day
account_balance_wallet $5

u^2+10u+

ok i tried 5 because 5*2=10 but it wasnt right

Jun 22nd, 2015

Hi !

u^2+10u+

You tried 5*2 = 10

and it wasn't right because you had to do it this way by taking square of 5, then

5^2 = 25

So

u^2 + 10u + 25

u^2 + 5u + 5u + 25

u(u + 5) + 5(u + 5)

(u + 5)(u + 5)

(u + 5)^2

Hence.

Hope you get it. Thanks :)
Jun 22nd, 2015

Got it, dear?

Jun 22nd, 2015

10

Jun 22nd, 2015

????

Jun 22nd, 2015

no 25 right


Jun 22nd, 2015

Yes!

Jun 22nd, 2015

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Jun 22nd, 2015
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