izzyc789 izzyc789
  • 23-11-2014
  • Mathematics
contestada

Factor completely
x^4 +8x^2 -9

Respuesta :

konrad509
konrad509 konrad509
  • 23-11-2014
[tex]x^4 +8x^2 -9=\\ x^4-x^2+9x^2-9=\\ x^2(x^2-1)+9(x^2-1)=\\ (x^2+9)(x^2-1)=\\ (x^2+9)(x-1)(x+1)[/tex]
Answer Link

Otras preguntas

In a given rectangle, the longer sides are 3 units longer than the shorter sides. If we let the shorter side be represented as x, which expression below repres
Pls help me here, I need it now ​
= If a = 10 and b = 2, then 4.b = • b -
What happened to most workers' real earnings after factories were closed? How did typerinflation affect Germany's economy after World War I?
Five out of seven cheerleaders can do a back tuck. If there are 490 cheerleaders in the cheer camp, how many cheerleaders can do a back tuck?​
The total number of atoms ______ change in a chemical reaction. Question 1 options: does does not sometimes
Jonas took the apple from the Recreation Center because? He wanted to show it to his parents. He had forgotten it in his pocket. He wanted to examine it further
I need help on this problem
I NEED HELP ASAP!!!!! Please
2. Why was it so important for the Germans to prevent U.S. merchant (trade) ships from reaching Britain?