I believe the correct option is C.
Bonn. H j j I in j.
Mmmmm
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Foil (x-1)(x-1)(x-1) gives you x^3-3x^2+3x+1
(<span>x^3-3x^2+3x+1)(3X-3) foil
</span>gives you 2x^4-9x^3+15x^2+11x-3
for the other side
(x-1)(x-1)= x^2-2x+1
(2x+1)(x^2-2x+1) = 2x^3-3x^2+1
(2x^4-9x^3+15x^2+11x-3) - (<span>2x^3-3x^2+1)
</span>=2x^4-11x^3+18x^2+11x-4
Answer:
add the 2 equations together
Step-by-step explanation:
i was in class when I heard this so it should be correct