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Sum
Evaluate: (3x – 2)(x + 5) for x = 2.
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Solution
For x = 2
(3x – 2) (x + 5)
(3 × 2 − 2) (2 + 5)
(6 − 2) × 7
4 × 7
= 28
Concept: Multiplying a Polynomial by a Polynomial
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