Mathematics for IGCSE & O level - Equations (Section 4 - No. 9)
When working with the equation x² + 4x - 5 = 0, what would the next step be after correctly identifying the values of a, b, and c, is to:
Divide each term by a.
Substitute the values into the quadratic formula.
Factorize the expression.
Add the constant to both sides
Giải thích
The next step in this example is substituting a, b and c.