因式分解(x²-48)²-64x²
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因式分解(x²-48)²-64x²
因式分解(x²-48)²-64x²
因式分解(x²-48)²-64x²
(x²-48)²-64x²
= (x²-48)²-(8x)²
= (x²+8x-48) (x²-8x-48)
= (x+12)(x-4) (x-12) (x+4)
=(x^2+8x-48)(x^2-8x-48)
=(x+12)(x-4)(x-12)(x+4)
(x²-48+8x)(x²-48-8x)
=(x+12)(x-4)(x-12)(x+4)