Ответ:
1) 7х²+х-8=(7х+8)(х-1)
2) 5х²+8х+3=(х+1)(5х+3)
3) -2х²+7х-3х=(х-3)(-2х+1)
4) 2х²-2х+0,25=1/4(8х²-8х+1)
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Ответ:
1) 7х²+х-8=(7х+8)(х-1)
2) 5х²+8х+3=(х+1)(5х+3)
3) -2х²+7х-3х=(х-3)(-2х+1)
4) 2х²-2х+0,25=1/4(8х²-8х+1)