Factor by grouping
Grade 10
What this lesson shows
Factor x cubed, plus 3 x squared, plus 2 x, plus 6. Four terms this time. And nothing divides into all four, so there is no common factor to pull out.
Try it yourself
Real questions from this lesson's worksheets — answers below each one.
- Factor x³ + x² + x + 1.
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(x² + 1)(x + 1) - Factor x³ + 2x² + x + 2.
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(x² + 1)(x + 2) - Factor x³ + x² + 2x + 2.
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(x² + 2)(x + 1) - Factor x³ + 2x² + 2x + 4.
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(x² + 2)(x + 2)
Practise this every day
Eduyro gives your child a short daily worksheet on exactly this skill, and moves them on only once they have it. Watch the lesson, then build the fluency.
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