How do you use the quadratic formula to solve #3/4(x-1)^2=-4/3x+4/5#?
Before one uses the quadratic formula, one must write the equation in the form:
Then substitute, a, b, and c into the formula:
Multiply both sides of the equation by the factors:
Expand the square:
Distribute the 45:
Combine like terms:
Substitute into the formula: