Answer:
The final solution is all the values that make
zero
Step-by-step explanation:
so the answer is x= - 3/4,5/2
but that is incorrect thoose are similar equations with the same answer of zero
so the answer to this is zero
a 20 X 40 X x
b just a guess but 2 centimeters
c 1600 or 800 depending on what x is
i think you divide both numbers by 4