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Mathematics
Dereon Roberts
15 June, 03:23
Multiply the binomials: (2c - d) (3c + d)
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Gwendolen
15 June, 05:47
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6c^2-cd-d^2
Step-by-step explanation:
How you get the answer is you use the process called FOIL. The F is front, so you multiply the 2c and the 3c to get 6c^2. The O is the outer, so you multiply the 2c and the d (because they are on the outer sides of the parenthesis) to get 2cd. The I is the inner, so you multiply the - d and the 3c (because they are on the inner sides of the parenthesis) to get - 3cd. The L is the last, so you multiply d and - d to get - d^2. The 2cd and the - 3cd are the same so you have to minus them to get - cd. So the answer is:
6c^2-cd-d^2.
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