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

Aswer: 5x - 2 = 3x + 4

Brainliest if correct 2.1 Fort Gibson Beginning in 1832 a series of U.S. military expeditions from the post marched west in search of the nomadic southern Plain

Maria made punch for a party. The ratio of a can concentrated juice to water is one to three. How much water did she use with 4 cans of concentrated juice? A. 1

Idioms and their meanings Red_hot To draw a red herring across the track A red_letter day It is like a red rag to him Red tape

what is the equivalent to this fraction 6/8 & 3/4 = ?

anything will help please

Jason is an excellent IT tech who works full-time for his best friend's company. A larger IT firm contacts Jason and offers to pay him twice what he makes if he

WILL HIVE BRAINILEST!!!!!!!!!!!!Jeffery ate 1/3 of a candy bar. He gave 1/2 of the candy bar to his friend. His little brother, Jake, ate the rest of the candy.

The amount of money that a firm receives from the sale of its output is called.

The total numver of electrons accomodated in the forth shell is.