Ответ:
1)16х²-24х+9-25
16х²-24х-16
2)9х²-30х+25-х²+6х+9
8х²-24х+34
3)а⁶-(а+4)²
а⁶-а²+8а+16
а⁴+8а+16
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Ответ:
1)16х²-24х+9-25
16х²-24х-16
2)9х²-30х+25-х²+6х+9
8х²-24х+34
3)а⁶-(а+4)²
а⁶-а²+8а+16
а⁴+8а+16