Let's factor in <math><mi>ℝ</mi></math>: <math><msup><mrow><mi>x</mi></mrow><mrow><mn>2</mn></mrow></msup><mo> -</mo><mi>x</mi></math>
You can factorize this expression into: <math><mi>x</mi><mo>·</mo><mo>(</mo><mi>x</mi><mo> -</mo><mn>1</mn><mo>)</mo></math>
▷<b>Result: <math><mi>x</mi><mo>·</mo><mo>(</mo><mi>x</mi><mo> -</mo><mn>1</mn><mo>)</mo></math></b><span style='font-size:smaller'> (processing: 2 steps, 1 ms)</span>