what can be multiplied to give a product containing the term -3x^2?
find the ploynomial.
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MATH ｆ．１升ｆ．２既開放性問題
2008-08-12 10:04 pm
回答 (1)
2008-08-13 2:38 am
✔ 最佳答案
-3x^2 can be:(-3x)(x), (-3)(x^2), (3)(-x^2) and (3x)(-x). Following are examples:
(1 - 3x)(4 + x) = 4 + x - 12x -3x^2 = 4 - 11x - 3x^2.
(x -3)(x^2 + 1) = x^3 + x - 3x^2 - 3.
(3 +x)(1 - x^2) = 3 - 3x^2 + x - x^3
(3x +1)(2 -x) = 6x - 3x^2 + 2 -x = 5x - 3x^2 + 2.
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