Multiply: (x + 3) (x + 7) Simplify and write your answer in Standard Form.

asked Jan 11, 2023 56.0k views

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Answer:

$(x + 3)(x + 7) \\ (x)(x) + (x)(7) + (3)(x) + (3)(7) \\ = {x}^(2) + 7x + 3x + 21 \\ = {x}^(2) + 10x + 21$

Ron Gilchrist answered Jan 18, 2023

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