If you use for fingers and count bye five you should eventually reach 60 and how ever many fingers you have up is your answer. Witch =7
all of them is not a quadratic equations
x is a variable. You need to find the variable to complete the equation.
ex. x = 1
x to the power of 5 (1x5x5x5x5x5)
1*x(0)=0
You would be right with 26 because the absolute value of -30 is 30 then you subtract 56-30 and get 26 which is the remaining temp you need to get to 56.