Question

-3x^4+27x^2+1200=0
find all zeros of the equation!
PLEASE HELP! I will medal

Answer 1

@Hero

Answer 2

@ganeshie8

Answer 3

3

Answer 4

real solutions are 5 and -5

Answer 5

i need work to show

Answer 6

please show work. help me thru it

Answer 7

@helpme1.2

Answer 8

If you have a graphing calculator...you could draw a picture, and then to calculate the intercepts, press 2nd trace zero

Answer 9

but i have to show written work

Answer 10

please help):

Answer 11

@ganeshie8

Answer 12

@ganeshie8 please help

Answer 13

wht is ^ this symbol

Answer 14

@Muzzack please help

Answer 15

means square of some number

Answer 16

okay well first try to make the x's add or subtract by doing this leave the numbers multiplying them dividing to make the x's alone, and we know what one thing did in one side must do to the other

Answer 17

still get it

Answer 18

show work, i dont understand D:

Answer 19

HELLO????? @Muzzack

Answer 20

Please help!

Answer 21

what i got for this problem is x=25,-16 is that even right????

Answer 22

i just factored.

Answer 23

k

Answer 24

\[-3x ^{4}+27x ^{2}+1200=0 Divide all of this by -3 \]

Answer 25

\[x ^{4}-9x ^{2}-400\] FACTOR THIS

Answer 26

(x-25)(x+16) =0 x=25,-16

Answer 27

no?

Answer 28

uhh idk how to get that

Answer 29

can you put it in one message? im so confused

Answer 30

not my factored one no