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

This is inverse functions...any help on 3aii?

The song “America” by Neil Diamond conveys a positive message about what often contentious issue?

What's a Protective tariff?

How many amendments, or changes, are there to the U.S. Constitution? a. 27 b. 14 c. 33

Who wrote the sonnet, “The New Colossus,” which is engraved on the pedestal of the Statue of Liberty?

Where does the Liberty Bell hang?

The oldest rock in the world, the Granitic Gneiss, was found in what state?

In 1803, the United States bought Louisiana Territory from France. The deal, known as the Louisiana Purchase, doubled the size of the U.S. and opened a new fro

IDEAS FOR RECONSTRUCTION, explain why they are good ideas?

This watery vacation spot is considered part of both California and Nevada. Name this lake