(x-3)(x+3)(x²-9)化简
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(x-3)(x+3)(x²-9)化简(x-3)(x+3)(x²-9)化简(x-3)(x+3)(x²-9)化简x^4+81-18*x^2楼主您好:(x-3)(x+3)(x&
(x-3)(x+3)(x²-9)化简
(x-3)(x+3)(x²-9)化简
(x-3)(x+3)(x²-9)化简
x^4+81-18*x^2
楼主您好:
(x-3)(x+3)(x²-9)
=(x²+9)(x²+9)
=(x²+9)²
=[(x+3)(x-3)]²
=(x+3)²(x-3)²
祝楼主学习进步
前两项乘积是X^2-9,
那么最终结果是
(X^2-9)^2