# one factoring question

posted by
**Anonymous**
.

64x^2 + 343

i know 8x * 8x will get you 64x^2, but i am confused on the rest of the problem.

(8x+sqrt (-343))(8x - sqrt(-343))

Try that.

posted by
**Anonymous**
.

64x^2 + 343

i know 8x * 8x will get you 64x^2, but i am confused on the rest of the problem.

(8x+sqrt (-343))(8x - sqrt(-343))

Try that.