Mathematics for IGCSE & O level - Equations (Section 6 - No. 50)
What is the next step after identifying the values of a, b, and c, and substituting them into the quadratic formula?
Solve the equation for x.
Simplify the expression under the square root (b² - 4ac).
Substitute the values into another formula
Factor out the variables.
Giải thích
Simplify within the formula, calculate the answer.