Let's factor in <math><mi>ℝ</mi></math>: <math><msup><mrow><mi>x</mi></mrow><mrow><mn>3</mn></mrow></msup><mo> + </mo><msup><mrow><mi>x</mi></mrow><mrow><mn>2</mn></mrow></msup></math>
You can write the expression in factored form: <math><msup><mrow><mi>x</mi></mrow><mrow><mn>2</mn></mrow></msup><mo>·</mo><mo>(</mo><mi>x</mi><mo> + </mo><mn>1</mn><mo>)</mo></math>
▷<b>Answer: <math><msup><mrow><mi>x</mi></mrow><mrow><mn>2</mn></mrow></msup><mo>·</mo><mo>(</mo><mi>x</mi><mo> + </mo><mn>1</mn><mo>)</mo></math></b><span style='font-size:smaller'> (computation took 2 steps and 1 ms)</span>