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Mathematics
Caden Ibarra
17 January, 06:51
What is that product of 2x + y and 5x - y + 3
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Elisa
17 January, 07:43
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The correct answer is:
10 x^2 + 3 xy + 6 x + - 1 y^2 + 3 y
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Kenley Carr
17 January, 09:14
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10x² + 6x + 3xy + 3y - y²
Step-by-step explanation:
Each term in the second factor is multiplied by each term in the first factor, as shown
(2x + y) (5x - y + 3)
= 2x (5x - y + 3) + y (5x - y + 3) ← distributing
= 10x² - 2xy + 6x + 5xy - y² + 3y (collect like terms)
= 10x² + 6x + 3xy + 3y - y²
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