Помогите срочно нужнаааа Найдите ошибку и исправте ее : 1.(4у-3х)(4у+3х)=8у²-9у²
2.100х²-4у²=(50х-2у)(50х+2у)
3.(3х+у)²=9х²-6ху+у² 4.(6a-9c)²=36a²-54ac+81c²
5.х³+8=(х+2)(х²-4х+4)
2.100х²-4у²=(50х-2у)(50х+2у)
3.(3х+у)²=9х²-6ху+у² 4.(6a-9c)²=36a²-54ac+81c²
5.х³+8=(х+2)(х²-4х+4)
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