Объяснение:
х²+8х+16=(х+4)²=(х+4)(х+4)
27х³–1=(3х–1)(9х²+3х+1)
х²–49=(х–7)(х+7)
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Verified answer
Объяснение:
х²+8х+16=(х+4)²=(х+4)(х+4)
27х³–1=(3х–1)(9х²+3х+1)
х²–49=(х–7)(х+7)