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 layer of the alimentary canal is responsible for segmentation and peristalsis?

What is the product? (7x2y^3)(3x^5=y^8)

Discuss the balcony scene. Does the knowledge of Romeo and Juliet's final fate influence the meaning of the balcony scene or the audience's interpretation of it

Fidel castro led a revolution in cuba in 1959 and created a government based on

A variable that can store an address is known as a(n) ____ variable. A) register B) pointer C) static D) extern

Does the initial velocity of an object have anything to do with its acceleration? For example, compared to dropping an object, if you throw it downward would th

1. 1400 Simplify: - Show your work.

explain how species richness and species evenness differ

Find the value of -36+(-9)+14+(-31)-(-66)

Find the value of -20+ (-100)-(-100)+(-150)-300