I asked this already but please solve this NO LINKS
2 answers:
Answer:
-4x^3+12x^2-1
Step-by-step explanation:
We have (-4x^3+2x^2-9) + 2(5x^2+4)
= -4x^3 + 2x^2 - 9 + 10x^2 + 8
= -4x^3 + 12x^2 - 1
Ok done. Thank to me:>
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