CaroHer CaroHer

04-05-2014
Mathematics

contestada

How can b^2+9b+14 be re-written?
1) (b+7) (b-7)
2) (b-7) (b-2)
3) (b+7) (b-2)
4) (b+7) (b+2)

Respuesta :

05-06-2014

[tex]b^2+9b+14 =\\ \\=b^2+9b-2b + 2b +14 =\\ \\ =b^2+7b +2b +14 = \\ \\ = b(b+7)+2(b+7)=\\ \\=(b+7)(b+2) \\ \\ Answer: \ 4. ) \ (b+7)(b+2)[/tex]

Answer Link

Otras preguntas

How many sides a octagon has. Chris says that it has eight sides

What is the hybridization of the central atom in the sulfur hexafluoride sf6?

out of 100 employees at a company, 92 employs either work part time or work 5 days each week. There are 14 emplyess who work part time and 80 employess who work

Two missiles speed directly towards each other, one at 9,000 miles per hour and the other at 21,000 miles per hour. They start at 1,317 miles apart. How far apa

Radioactive isotopes called ____ can be used to detect some medical problems.

Help Please!! Give a specific example of a scalar or vector quantity. Explain why this type of quantity is used to describe this event. Please answer asap like

The dominant geographic feature in North Africa is A) a desert. B) a plateau. C) rain forest. D) tropical jungle.

How did the “spa” philosophers attempt to understand humans?

True or false??? A pharmacist is not a reliable source of information about health care products

Tom has taken out a loan for college. He started paying off the loan with a first payment of $200. Each month he pays, he wants to pay back 1.2 times as the a