The expansion of the algebraic identity - x - a - - x - b - is- nbsp-x-2 nbsp- abx - 2abx-2 nbsp- abx - abx-2 nbsp- -a - b-x - abx-2 nbsp- -a - b-x - 2ab

The correct option is C x^2 nbsp;+ (a + b)x + ab( x + a ) ( x + b ) =x^2 nbsp;+ bx + ax + ab =x^2 nbsp;+ (a + b)x + ab. ...

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Identity (x+a)(x+b)

The expansion...

Question

The expansion of the algebraic identity ( x + a ) ( x + b ) is:

x^{2} + a b x + 2 a b

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x^{2} + a b x + a b

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x^{2} + (a + b) x + a b

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x^{2} + (a + b) x + 2 a b

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