Answer:
x²+3x+3
Explanation:
(x+2)(x+1)
x²+x+2x+3
=x²+3x+3
x² + 3x + 2
Given
(x + 2)(x + 1)
Each term in the second factor is multiplied by each term in the first factor, that is
x(x + 1) + 2(x + 1) ← distribute both parenthesis
= x² + x + 2x + 2 ← collect like terms
= x² + 3x + 2
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