2. 外语
  3. Simplify each of the following algebraic expressions. (a)3x2-6 + x + 11-x2 +5x (b)3(5x-1)-x + 4 (c), where x≠4 (d)(2x + 5)(3x-l)

Simplify each of the following algebraic expressions. (a)3x2-6 + x + 11-x2 +5x (b)3(5x-1)-x + 4 (c), where x≠4 (d)(2x + 5)(3x-l)

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问题 Simplify each of the following algebraic expressions.
(a)3x2-6 + x + 11-x2 +5x
(b)3(5x-1)-x + 4
(c), where x≠4
(d)(2x + 5)(3x-l)
选项
答案(a)2x2 + 6x + 5 (b)14x+l (c)x + 4 (d)6x2+13x-5
解析
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