30-11-2014
Mathematics

Answered

Can anyone please teach me how to work out x2-8x+19?

Answer :

konrad509 konrad509

30-11-2014

[tex]x^2-8x+19=\\ x^2-8x+16+3=\\ (x-4)^2+3\\\\ (x-4)^2+3=0\\ (x-4)^2=-3\\ x\in \emptyset[/tex]

Answer Link

Other Questions

what is the volume of a four- sided pyramid with base edge of 5 ft and h = 4 ft.

Do all cells have a nucleus?

What percent of 84 is 12?

If I read 52 pages in 2 hrs and Tim reads 1/4 more in 2 and1/2 hr. who read faster?

Geri wants to put 6 stamps on some pages in her stamp book and 9 stamps on other pages. Explain how she could do this with 78 stamps.

why might political parties write platforms before presidential elections

I need help on my math. Solve 3x-7y=19 for y

What three civilizations arose after the fall of the roman empire?

Explain what is meant by the sentence “Natural selection can act only on existing traits.”

Why did George Washington didn't want to be president at first?