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
VER TODAS LAS RESPUESTAS ( 59+ )
Otras preguntas
a farmer needs a rectangular garden that is 64 square feet in area. the length varies inversely with the width. You can use l = 64/w. find the length and the wi
What is ittttt someone please help me
Which of the following is not a role of stockholders? • Purchase shares in a corporation • Elect a board of directors • Seek government approval • Decide on c
What is the greatest common factor of 24s3, 12s4, and 18s? 3 6 3s 6s
What are the weather events related to a stationary front?
In which of the following cases does an atom have a positive charge?
15 POINTS + BRAINLIEST AND THANKS Who was Friedrich Willhelm Enzmann and what did he do/make? (At least 3 sentence summary)
Which of the following best explains why clear-cutting forests is more destructive than selectively cutting down trees in forests? a. Clear-cutting eliminates a
Ricardo: Necesito hablar contigo hoy (1) la tarde. Tengo un problema muy serio y no puedo esperar más. Ya sé que prefieres que pida una cita (2) hablar contig
Is 6.333 a irrational number & If so what is it
