Question

(x + 1 ) ( x + 2 ) is equal to​

Answer 1

(x + 1 ) ( x + 2 )

x ( x + 2 ) + 1 ( x + 2 )

x² + 2x + x + 2

x² + 3x + 2

(x + 1 ) ( x + 2 ) = x² + 3x + 2

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