📝 Factoring: Practice B (A-SSE.A.2)

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Use the structure of an expression to rewrite it (factoring). Solve each problem.

1. Factor: x² + 17x + 72

2. Factor: 6x² − 6x − 432

3. Factor: x² − 16

4. Factor: x² − 10x + 21

5. Factor: 2x² − 2x − 4

6. Factor: x² + 4x − 45

7. Factor: 4x² − 32x − 36

8. Factor: x² − 81

9. Factor: x² + 2x − 35

10. Factor: 6x² − 90x + 324

11. Factor: x² − 36

12. Factor: x² + 4x − 5

Answer key: 1) (x + 9)(x + 8) · 2) 6(x + 8)(x − 9) · 3) (x + 4)(x − 4) · 4) (x − 3)(x − 7) · 5) 2(x − 2)(x + 1) · 6) (x + 9)(x − 5) · 7) 4(x − 9)(x + 1) · 8) (x + 9)(x − 9) · 9) (x − 5)(x + 7) · 10) 6(x − 6)(x − 9) · 11) (x + 6)(x − 6) · 12) (x − 1)(x + 5)

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Worksheets › Grade 9 Math (Algebra I) › Factoring › Factoring

Grade 9 (ages 14–15)Numbers & mathsFree printable PDF

About this grade 9 worksheet

Free Grade 9 Algebra I math worksheet (Common Core A-SSE.A.2): factoring — a second set of twelve practice problems, with answer key. Skill: Use the structure of an expression to rewrite it (factoring). Level: Grade 9 — also suits Year 10 (UK).

For teachers: skills & standards

CCSS A-SSE.A.2: Use the structure of an expression to rewrite it (factoring)
Works as a morning-work page, a centre/station activity, homework or an early-finisher task.

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It is designed for Grade 9 (ages 14–15), but use it with any child who is ready.

What skills does it build?

Use the structure of an expression to rewrite it (factoring).

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More “Factoring” printables (a-sse.a.2: use the structure of an expression to rewrite it (factoring))

Factoring: Practice A (A-SSE.A.2) · Factoring: Mixed Practice & Reasoning (A-SSE.A.2) · Factoring: Show Your Thinking (A-SSE.A.2) · Factoring: Quick Check (A-SSE.A.2)

All 5 factoring sheets → · Grade 9 Math (Algebra I): all 10 skills → · All Common Core grades

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