plz help me.....what is the factor of the expression pf?

x^+3x+2 ......x^-7x+10......x^_x-6......x2+x-12....and x^-3x-40

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  • Anonymous
    1 decade ago
    Best Answer

    Hint: you want numbers that, depending on the sign of the last term, have their product be the last tem and sum (or difference) be the middle term. For the four examples given, the numbers are 1, 2; 2, 5; 2, 3; and 5, 8. Some experimenting with signs will give you the answers.

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