1)
2)
1)c²-0,25= с²-0,5²=(с-0,5)(с+0,5)
2)81x²-121= 9²х²-11² = (9х-11)(9х+11)
3)--0,09+4x² = 4х²-0,09 = 2²х²-0,3² = (2х-0,3)(2х+0,3)
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
1)
2)
1)c²-0,25= с²-0,5²=(с-0,5)(с+0,5)
2)81x²-121= 9²х²-11² = (9х-11)(9х+11)
3)--0,09+4x² = 4х²-0,09 = 2²х²-0,3² = (2х-0,3)(2х+0,3)