Mathematics - Algebra - Polynomials - Adding and subtracting polynomials - Adding and Subtracting Polynomials

6 steps: (1) To add polynomials: combine LIKE TERMS. (2) (3x²+5x-2) + (x²-3x+4). Group like terms: (3x²+x²) + (5x-3x) + (-2+4) = 4x² + 2x + 2. (3) To subtract: distribute the negative to ALL terms of the second polynomial. (4) (3x²+5x-2) - (x²-3x+4) = 3x²+5x-2 - x²+3x-4 = 2x²+8x-6. (5) Common mistak

Edodovivmagarwal
Mathematics - Algebra - Polynomials - Adding and subtracting polynomials - Adding and Subtracting Polynomials
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Mathematics - Algebra - Polynomials - Adding and subtracting polynomials - Adding and Subtracting Polynomials

vivmagarwal
vivmagarwalJan 29, 2026

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6 steps: (1) To add polynomials: combine LIKE TERMS. (2) (3x²+5x-2) + (x²-3x+4). Group like terms: (3x²+x²) + (5x-3x) + (-2+4) = 4x² + 2x + 2. (3) To subtract: distribute the negative to ALL terms of the second polynomial. (4) (3x²+5x-2) - (x²-3x+4) = 3x²+5x-2 - x²+3x-4 = 2x²+8x-6. (5) Common mistak

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MathematicsAlgebra - PolynomialsClass 9, Class 9, Stage 9, MYP Grade 8, Grade 9

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