Answer:
12
Step-by-step explanation:
Answer:
cool
Step-by-step explanation:
is this a question?
Answer:
2.50
Step-by-step explanation:
4.50 divided by 9 is .50 5 times .50 is 2.50
Hello,
12x^4+39x^3+9x²=x²(12x²+39x+9)=x²(12x²+36x+3x+9)=x²(4x(3x+9)+(3x+9))
=x²(3x+9)(4x+1)
=3x²(x+3)(4x+1)