Объяснение:
1.
а) -2b³/ 3a
б) 3х²( х + 7) / 6 (х + 7) = х²/2
в) b (a + 2)/ (a + 2) (a - 2) = b/ a-2
г) (х + 3)²/ (х + 3) (х² - 3х + 9) = х + 3/ (х - 3)²
2. 3(a - b) + c(b - a)/ (a - b)(a + b) =
3 + c(b - a)/ a + b = 3 + 0.4*(-1.5)/ -1.1
2.4/ - 1.1 = 2.(18)
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Answers & Comments
Объяснение:
1.
а) -2b³/ 3a
б) 3х²( х + 7) / 6 (х + 7) = х²/2
в) b (a + 2)/ (a + 2) (a - 2) = b/ a-2
г) (х + 3)²/ (х + 3) (х² - 3х + 9) = х + 3/ (х - 3)²
2. 3(a - b) + c(b - a)/ (a - b)(a + b) =
3 + c(b - a)/ a + b = 3 + 0.4*(-1.5)/ -1.1
2.4/ - 1.1 = 2.(18)