Ten percent of 3000 is 300 ten percent of that is 30 add ten and it's 40
Answer:
7x -2y
Step-by-step explanation:
5x−4y+2(y+x)
Distribute
5x -4y +2y +2x
Combine like terms
5x +2x -4y +2y
7x -2y
Answer:
x^3 +8x^2 +13
Step-by-step explanation:
(6x^2 - 3 + 5x^3) - (4x^3 - 2x^2 - 16)
Distribute the minus sign
6x^2 - 3 + 5x^3 -4x^3 + 2x^2 + 16
Combine like terms
x^3 +8x^2 +13
That is the answer for the first one
