delmi02bazidera
13.02.2020 •
Mathematics
100 points for the answers !
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Ответ:
8. 25 x² - 9
(5x - 3) (5x + 3)
9. x²- 121 = 0
(x + 11) (x - 11)
10. 5x² - 40x = 0
5x(x - 8) = 0
x - 8 = 0/5x
x - 8 = 0
x = 8
Ответ:
8. 25 x² - 9
(5x - 3) (5x + 3)
9. x²- 121 = 0
(x + 11) (x - 11)
10. 5x² - 40x = 0
5x(x - 8) = 0
x - 8 = 0/5x
x - 8 = 0
x = 8
Step-by-step explanation:
Ответ:
Using point-gradient form:
(y - d) = 2(x - c)
y = 2x - 2c + d