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

George gets along well with most people in the team. he is good at his job but needs to be reassured once in a while. another of george's traits is that he is

why is personal hygiene so important to your heath. explain.

Even at the age of 71, janine is achievement-oriented, ambitious, and strives for success. she also has a need for tight control over events and is highly defen

The animals personal space is known as

Which of these is most likely to make it difficult to keep up when playing vigorous sports or games

Who rose to power in Italy before World War II and controlled and monitored newspapers, radio, and films to ensure that all communication followed Fascist ideol

Read the passage. In this excerpt, the old king speaks to the boy. excerpt from The Alchemist by Paul Coelho “Yes, or even search for treasure. The Soul o

Acetylene gas (C2H2) used in welding, pro- duces an extremely hot flame when it burns in pure oxygen according to the reaction 2 C2H2(g)+5 O2(g) −→ 4 CO2(g)+2 H

In what media forms do you find propaganda? List many examples and examples

Why happens during the lytic