Answer:
X^5+3x^4+81x+ 243
Step by step:
X^4*x=x^5
X^4*3=3x^4
81*x=81x
81*3=243
Answer:
which class do you read now?
not sure but you should use jiskha or photo math. hope this helps
Answer:
84 days
Step-by-step explanation:
You would use the LCM to solve this.
12 and 7 don't share any common factors other than 1,
so you would multiply 12 x 7, which gets you 84.
After 84 days they would have raised the same amount.
All you do is plug in -7 so you get f(x)=8(-7)*15 you get -56*15 which goes to -840
