(-2x-1)^2乘以(2x-1)^2-16(x+3)^2乘以（x-3）^2

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(-2x-1)^2乘以(2x-1)^2-16(x+3)^2乘以（x-3）^2(-2x-1)^2乘以(2x-1)^2-16(x+3)^2乘以（x-3）^2(-2x-1)^2乘以(2x-1)^2-16(x

(-2x-1)^2乘以(2x-1)^2-16(x+3)^2乘以（x-3）^2
(-2x-1)^2乘以(2x-1)^2-16(x+3)^2乘以（x-3）^2

(-2x-1)^2乘以(2x-1)^2-16(x+3)^2乘以（x-3）^2
(-2x-1)^2乘以(2x-1)^2-16(x+3)^2乘以(x-3)^2
=(2x+1)^2乘以(2x-1)^2-16(x+3)^2乘以(x-3)^2
=[(2x+1)(2x-1)]^2-16[(x+3)(x-3)]^2
=(4x^2-1)^2-16(x^2-9)^2
=(4x^2-1)^2-[4(x^2-9)]^2
={(4x^2-1)+[4(x^2-9)]}{(4x^2-1)-[4(x^2-9)]}
=(8x^2-37)*35
=280x^2-1295

(-2x-1)^2乘以(2x-1)^2-16(x+3)^2乘以（x-3）^2
=[(-2x-1)*(2x-1)]^2-16[(x+3)*（x-3）]^2
=[-4x^2+1]^2-16[x^2-9]^2
=16x^2-8x+1-16x^2+288x-1296
=280x-1295

(-2x-1)^2乘以(2x-1)^2-16(x+3)^2乘以(x-3)^2
=(2x+1)^2乘以(2x-1)^2-16(x+3)^2乘以(x-3)^2
=[(2x+1)(2x-1)]^2-16[(x+3)(x-3)]^2
=(4x^2-1)^2-16(x^2-9)^2
=(4x^2-1)^2-[4(x^2-9)]^2
={(4x^2-1)+[4(x^2-9)]}{(4x^2-1)-[4(x^2-9)]}
=(8x^2-37)*35
=280x^2-1295

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