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  • one year ago

Multiply and simplify: (2x - 5)(3x2 + 5x - 7). A) 5x2 + 5x - 12 B) 6x3 + 5x + 35 C) 6x3 - 5x2 - 11x + 35 D) 6x3 - 5x2 - 39x + 35

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  1. anonymous
    • one year ago
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    Its always good to take this kind of problem in steps! First focus on just the 2x in the (2x-5) distribute this 2x to every term in the (3x^2+5x-7) =6x^3+10x^2-14x now distribute -5 to every term in the (3x^2+5x-7)= -15x^2-25x+35 now you can add your two new equation together = 6x^3-5x^2-39x+35 The correct answer is D! just remember when you have a term like 2x and you multiply by another term like 3x^2 you want to multiply coefficients but add the like x terms! And always remember that when there's a negative present as there was in (2x-5) you need to multiply each term by that negative!

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