Which of the following is the general form of the equation 5x2 - 20x = 15?
a x2 - 4x = 3
b x2 - 4x - 3 = 0
c 5x2 - 20x - 15 = 0

B) x2 - 4x - 3 = 0
It must be set = 0 and whole numbers simplified, hence divide all terms by 5

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.