Stage 11 · Quadratic Equations

11.4.2 Solving by Factoring Out and the Difference of Squares

11.4 Factoring and Choosing Your Method

Point 2 of 4

11.4.2 Solving by Factoring Out and the Difference of Squares

Core idea

First move everything to one side to make it 0, then factor out a common factor or use the difference of squares to split the other side into two brackets multiplied together.

Module goal. Master the quickest method — factoring — and learn to pick the least-effort approach among the three.
eastmath.com · 11.4 Factoring and Choosing Your Method · 11.4.2 Solving by Factoring Out and the Difference of Squares