Answer:
x² - 10x + 21
Step-by-step explanation:
the 3rd one
(x-3)(x-7)=0
Replace x with 2 and solve:
3(2)^3 - 4(2)^2 +2-1 = 9
answer is E none of these
Answer:
C
add your x variables together
Answer:
you would need 18 tablespoons
Step-by-step explanation:
12--->72, so 3--->18
you are multiplying it by 6
we are given

Firstly , we will multiply both sides by 5

now, we can simplify it


now, we can solve for n
.............Answer