Question

Explain, in complete sentences, how you would factor 8x6 – 56x3 + 98.

Provide the factors.

Answer 1

i would take out 2 first...

Answer 2

could someone show me on the drawing thing.

Answer 3

8x^6-56x^3+98=
2(4x^6-28x^3+49)
let u=x^3
2(4u^2-28u+49)
2(2u-7)^2
put x^3 back in for u
2(2x^3-7)^2