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

If you had a broom of your own, what would you like to do with it and where would you like to go? i am a potter head hehe

Given sin (-theta) = 1/5 and tan theta = sqrt.6/12 what is the value of cos theta? - sqrt.6/60 2 sqrt.6/5 -2 sqrt.6/5 Sqrt.6/60

Plz help me !!!!!! I need help

my brain cells arent working right now can someone help

What is meant by ‘limiting molar conductivity’?

Use the long division method to find the result when 3x3 – 2x2 + 2x + 1 is divided by 3x + 1.

what do the average rates of change of the function y= x+2 over the intervals {-2,0],[0,3], and [-2,3] indicate about the function?

One of the solutions to the equation 5x^2+bx+12=0 is -4/5.Find the other solution, and the value of b

A quadratic function models the graph of a parabola. The quadratic functions, y = x2 and y = x2 + 3, are modeled in the graphs of the parabolas shown below. Det

Factor x3 – 4x2 + 7x – 28 by grouping. What is the resulting expression? (x2 – 4)(x + 7) (x2 + 4)(x – 7) (x2 – 7)(x + 4) (x2 + 7)(x – 4)