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7 клас алгебра формули

German 23 Public

алгебра

Study Slideshow

(x + 2)²

x² + 4x + 4

15

(3x - 1)²

9x² - 6x + 1

15

(2x + 3)² + (x - 4)²

5x² + 4x + 25

15

(3x - 2)² - (x + 1)²

8x² - 14x + 3

15

(2x + 1)² + (2x - 1)²

8x² + 2

15

(x + 3)² - (x - 3)²

12x

15

(x + 2)² = 25

x = 3; x = -7

15

(2x - 3)² = 49

x = 5; x = -2

15

( x + 1)² - (x - 1)² = 12

x = 3

15

(3x + 2)² - (3x - 2)² = 24

x = 1

15

(2x + 3)² + (3x - 2)²

13x² + 12x + 13

15

(4x - 1)² - (2x + 5)²

12x² - 28x - 24

15

(2x + y)² - (2x - y)²

8xy

15

(2x + 1)² + (x - 2)² = 0

x = 1

15

(3x - 1)² + (3x + 1)² = 20

x = 1; x = -1

15

( x - 3)² = 16

x = 7; x = -1

15

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