因式分解,25(a-2b)^2-64(b+2a)^2

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因式分解,25(a-2b)^2-64(b+2a)^2
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因式分解,25(a-2b)^2-64(b+2a)^2
因式分解,25(a-2b)^2-64(b+2a)^2

因式分解,25(a-2b)^2-64(b+2a)^2
25(a-2b)^2-64(b+2a)^2
=[5(a-2b)+8(b+2a)][5(a-2b)-8(b+2a)]
=[5a-10b+8b+16a][5a-1ob-8b-16a]
=(21a-2b)(-11a-18b)
=(11a+18b)(2b-21a)

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