I think c .. I already took a course .. and the test had that question.. I cant remember the answer though
Answer:
x^2 +3x +3
Step-by-step explanation:
(9x^2+3x+6)–(8x^2+3)
Distribute the negative sign
(9x^2+3x+6)–8x^2-3
Combine like terms
9x^2–8x^2+3x+6–8x^2-3
x^2 +3x +3
3(4k+1) is the result I hope it helps you
(10x5)+(10x14)+(10x-3)
50+140-30
160