Answer: 17.68
Step-by-step explanation: just add the taxes, this is your final sale price.
The last terms must multiply to the last terms (confusing)
example
if ax^3+bx^2+c+d=(ex+f)(gx+h)(jx+k) then
d=fhk
so
70 is last term
we got 2 and 5
2*5*?=70
10*?=70
divide by 10
?=7
the missing number is 7
Answer:
10x-14
Step-by-step explanation:
5x2 + 15x + 4x + 12
5x(x + 3) +4(x + 3)
(x+3)(5x+4)
