Grade Level: 7
Topic: Algebraic expressions
Performe the indicated operations
(Add)
1. (5x⁴ - 3x² + 4) + (6x³ - 4x² - 7)
2. -7x³y + 4x²y² and 4x³y + 1 - 8x²y²
3. (5 + 24y³ - 7y²) +(-6y³ + 7y² + 5)
4. (2x⁵ - 6x³ - 12x² - 4) + (-11x⁵ + 8x + 2x² + 6)
5. (3y⁵ - 2y + y4 + 2y³ + 5) and (2y⁵ + 3y³ + 2 + 7)
(Subtract)
1. (5x³ - 7x² + 3x - 4) - (8x³ + 2x² + 3x - 7)
2. (2x²y - 5xy + 3y²) - (7xy - 6y² + 5xy²)
3. (9x⁵ - 6x3 + 7x²) - (7x³ - 6x⁵ + 2x²)
4. Subtract 4x³ - 5x - 8 from 6x² - 3x + 8
5. (1.5y³ + 4.8y² + 12) - (y³ - 1.7y² + 2y)
Mark as b. afteerrr
Topic: Algebraic expressions
Performe the indicated operations
(Add)
1. (5x⁴ - 3x² + 4) + (6x³ - 4x² - 7)
2. -7x³y + 4x²y² and 4x³y + 1 - 8x²y²
3. (5 + 24y³ - 7y²) +(-6y³ + 7y² + 5)
4. (2x⁵ - 6x³ - 12x² - 4) + (-11x⁵ + 8x + 2x² + 6)
5. (3y⁵ - 2y + y4 + 2y³ + 5) and (2y⁵ + 3y³ + 2 + 7)
(Subtract)
1. (5x³ - 7x² + 3x - 4) - (8x³ + 2x² + 3x - 7)
2. (2x²y - 5xy + 3y²) - (7xy - 6y² + 5xy²)
3. (9x⁵ - 6x3 + 7x²) - (7x³ - 6x⁵ + 2x²)
4. Subtract 4x³ - 5x - 8 from 6x² - 3x + 8
5. (1.5y³ + 4.8y² + 12) - (y³ - 1.7y² + 2y)
Mark as b. afteerrr
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Answers & Comments
1. 5x^4 + 6x^3 - 7x^2 - 3
2. -3x^3y - 4x^2y^2 + 1
3. 10 + 18y^3
4. -81x^5 + 2x^2 + 8x + 2
5. 5y^5 + 5y^3 + 2y + 14
(Subtract)
1. -3x^3 - 9x^2 + 3
2. 2x^2y - 12xy + 9y^2 - 5xy^2
3. 15x^5 - 13x^3 + 5x^2
4. 4x^3 - 6x^2 - 2x - 16
5. 0.5y^3 + 6.5y^2 + 12 - 2y