demeria92 demeria92
  • 02-12-2021
  • Mathematics
contestada


What are the solutions of the equation 9x4 - 2x2 - 7 = 0? Use u substitution to solve.

What are the solutions of the equation 9x4 2x2 7 0 Use u substitution to solve class=

Respuesta :

Gotenks99
Gotenks99 Gotenks99
  • 02-12-2021

9t +7 = 0

t-1 =0

solve for both giving

t = -7/9

t = 1

then we have to plug that back in to u which is x^2

so x^2 = (-7/9)^2 = -1

x^2 = 1

if any doubt leave a comment

Ver imagen Gotenks99
Ver imagen Gotenks99
Ver imagen Gotenks99
Ver imagen Gotenks99
Ver imagen Gotenks99
Answer Link

Otras preguntas

Which two numbers have a difference of 5 and a product of 3.36???
write words to match the expression. 24- ( 6+3)
which city was located nearest the nile river delta
what other areas beside egypt did the new kingdom pharoahs conquer
what other areas beside egypt did the new kingdom pharoahs conquer
write words to match the expression. 24- ( 6+3)
what other areas beside egypt did the new kingdom pharoahs conquer
what other areas beside egypt did the new kingdom pharoahs conquer
Which two numbers have a difference of 5 and a product of 3.36???
which city was located nearest the nile river delta