Question

factor 16x8-y4

Answer 1

difference of -3
product of -28
the numbers must be .....four and minus seven

Answer 2

and by difference i mean summ

Answer 3

yeah thanks

Answer 4

where did it go?

Answer 5

\[ x^2-3xy-28y^2 = x^2 + (4xy-7xy)-28y^2 = x(x+4y)-7y(x+4y)=?\]
Sorry I made some mistakes on the signs just now :(

Answer 6

k thanks

Answer 7

so
\[x^2-3xy-28y^2=(x+4y)(x-7y)=x^2+4xy-7xy-28y^2\]

Answer 8

can you solve it?

Answer 9

nvm

Answer 10

solve it lol

Answer 11

What you need to do it to take out the common factor and group the rest of the terms... Can you try?

Answer 12

The common factor there is (x+4y) ....

Answer 13

is the final answer (x+4y)(x-7y)

Answer 14

yeahs

Answer 15

factor 16x8-y4 please

Answer 16

i need the answer by 10:30

Answer 17

\[16x^8-y^4\]
is a difference of squares
\[(4x^4)^2-(y^2)^2\]