asaadfatma asaadfatma

04-02-2017
Mathematics

contestada

4x²-17x-42 by factor

Respuesta :

surjithayer surjithayer

10-02-2017

4x²-17x-42
=4(x²-17/4x)-42
=4[x²-17/4 x+(-17/8)²-(-17/8)²]-42
=4(x-17/8)²-289/64-42
=4(x-17/8)²-(289+2688)/64
=4(x-17/8)²-2974/64
=[(2x-34/8)²-(√2974/8)²]
=(2x-34/8 +(√2974/8))(2x-34/8-(√2974/8)
=[2x+(√2974-34)/8][2x-(√2974+34)/8]

Answer Link

Otras preguntas

which type of gas is filled in lays pack and why?

Hey, need some help reverent A. respectful B. respect C. reply D. to spoil

Compute the odds in favor of rolling a sum of 10 in a single roll of two fair dice

How would you define psychological realism?

I just need the equation on how to do it. I'm so lost :'( help please!!!!!!

f f(x) = 2x2 and g(x) = 3x, what is (g o f)(x) a. 6x2 b. 9x2 c. 18x2 d. 8x4

find the amplitude, period, and phase shift of the function defined by: y=3-2cos(3x+pi)

A graph depicts force versus position. What represents the work done by the force over the given displacement? A. The work done is equal to the product of the m

let g(x)=x-3 and h(x)=x^2+6 find (h o g) (1)

write an equation that is perpendicular to the line y = 2x + 13?