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What is (3+x)(4+x) in standard form ?

1 Answer

3 votes

Answer:

x^2+7x+12

Explanation:

multiply the parenthesis 3 x 4 + 3x + 4x + x + x

12 + 3x + 4x + x^2

12 + 7x + x^2

then order them like the answer

User Richard Fearn
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