Answer:
-35
Step-by-step explanation:
it is this because it only has one method.
So start by putting the negative sign into the second polynomial.
-(6x^2-2x-9)
-6x^2+2x+9
then combine like terms with the first polynomial
5x^3+4x^2-6x^2-2x+9
and you will get
5x^3-2x^2+2x+9
Hope this helps you.
Answer:
D. 25% decrease
Step-by-step explanation:
Since it's clear that they read less books to find how much it decreased we multiply 100 with 15 then divide it by 20
100 × 15 ÷ 20 = 75 this result shows a 25% decrease.
9 paperback books were purchased
Answer:
12√3
Step-by-step explanation:
432 is 144 times 3 , and 144 can be written as 12 to the power 2. So, the 144 can just be pulled outside of the radical sign, as a 12 , and the other factor, the 3 , just stays inside of the radical sign.
Or, √432 = 12 √3
