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 ( 44+ )
Otras preguntas
Using the factoring process, what constant is added to the right side of the quadratic equation 3x2+4x+_=1+_ in order to solve by completingredients the square?
You are told to take an axillary temperature on a small child. you will place the thermometer ________.
Two identical billiard balls are rolling toward each other at the same speed. What will be true after they collide head–on?
Why did the young wolves refuse to honor the law of the jungle.
Emily has been waiting for a promotion to a management position for almost five years. She notices that men fill most of the higher-level jobs in her company. S
please help i don't understand
should society eliminate/remove threats any means necessary? please help me i need to write 3 paragraph on this its hw i really appreciate it thank you guys
What was one of the first things President Hoover did to combat the effects of the Great Depression? He did nothing, thinking the economic crisis would mend its
which is an equation of the line that goes through the points (-2,-2) and (1,7)
Happy New Year :D Merry Christmas İn Turkish please
