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Factorize each of the following algebraic expressions: 40 + 3x – x^2

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Factorize each of the following algebraic expressions:

40 + 3x – x2

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1 Answer

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Best answer

As given,

40 + 3x – x2

= -(x2 – 3x – 40)

= -(x2 – 3x – 40) 

= x2 + 5x – 8x – 40

= -x (x + 5) – 8 (x + 5)

= -(x – 8) (x + 5)

= (-x + 8) (x + 5)

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