Пошаговое объяснение:
а) 0,04–0,0001х⁴=(0,2)²–(0,01х²)²= (0,2–0,01х²)(0,2+0,01х²)
б) 49х²–(5х+у)²=(7х)²–(5х+у)²= (7х–(5х+у))(7х+(5х+у))= (7х–5х–у)(7х+5х+у)=(2х–у)(12х+у)
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Пошаговое объяснение:
а) 0,04–0,0001х⁴=(0,2)²–(0,01х²)²= (0,2–0,01х²)(0,2+0,01х²)
б) 49х²–(5х+у)²=(7х)²–(5х+у)²= (7х–(5х+у))(7х+(5х+у))= (7х–5х–у)(7х+5х+у)=(2х–у)(12х+у)