Find the product of
1. (m - 2) (m - 6)
2. 15x (2x + 3y - 4z)
3. (2x + 5) (x - 7)
4. (a - 5) (a² - 3a + 8)
5. 9k³ (-5k⁶ + 2k⁸ - 5k¹⁰)
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1. (m - 2) (m - 6)
2. 15x (2x + 3y - 4z)
3. (2x + 5) (x - 7)
4. (a - 5) (a² - 3a + 8)
5. 9k³ (-5k⁶ + 2k⁸ - 5k¹⁰)
w/solution
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Answer:
Step-by-step explanation:
1. • Multiply the parentheses
• m × m - 6m - 2m - 2x (-6)
•Calculate multiply
• m² - 6m - 2m + 12
• collect like terms
• m² - 8m + 12
2. • Multiply the parentheses by 15x
• 15x × 2x + 15x × 3y - 15x × 4z
• Calculate
• 30x² + 45xy - 60xz
3. •Multiply the parentheses
• 2x × x - 2x × 7 + 5x - 5 × 7
• Calculate multiply
• 2x² - 14x + 5x - 35
• collect like terms
• 2x² - 9x - 35
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