Question

factor completly 81x4 -16

Answer 1

Did you mean \(81x^4-16\)?

Answer 2

Yes you are correct. I wrote it wrong.

Answer 3

81 x 4 = 324 -16 = 308

Answer 4

wait nevermind >;p

Answer 5

Not wrong, you just didn't use the equation editor. It looks like the difference of two perfect squares to me.

Answer 6

@gypsy1274 can you help me with 2 math questions ?

Answer 7

I can try. Post them in your own thread, tag me and I'll look.

Answer 8

\( (9x^2 - 4)(9x^2+4)=(3x-2)(3x+2)(9x^2+4)\)