2x + 1/3 - 5x - 2/4 = 0Упростим выражение: 2x - 5x + 1/3 - 1/2 = 0-3x - 1/6 = 0-3x = 1/6x = -1/18
(a-3)2 - (2-a)2(a-3)2 = a^2 - 6a + 9(2-a)2 = 4 - 4a + a^2Разность: a^2 - 6a + 9 - (4 - 4a + a^2) = a^2 - 6a + 9 - 4 + 4a - a^2 = -2a + 5
3x + 4 > 2x + 53x - 2x > 5 - 4x > 1
sin(52) - sin(8) = sin(180-52) - sin(8) = sin(128) - sin(8)
2x - 1 = -x + 33x = 4x = 4/3
2x^2 + 3 = 112x^2 = 8x^2 = 4x = ±2
3x + 0.4x^2 = 00.4x^2 + 3x = 0x(0.4x + 3) = 0x = 0 или x = -7.5
2x + 1/3 - 5x - 2/4 = 0
Упростим выражение: 2x - 5x + 1/3 - 1/2 = 0
-3x - 1/6 = 0
-3x = 1/6
x = -1/18
(a-3)2 - (2-a)2
(a-3)2 = a^2 - 6a + 9
(2-a)2 = 4 - 4a + a^2
Разность: a^2 - 6a + 9 - (4 - 4a + a^2) = a^2 - 6a + 9 - 4 + 4a - a^2 = -2a + 5
3x + 4 > 2x + 5
3x - 2x > 5 - 4
x > 1
sin(52) - sin(8) = sin(180-52) - sin(8) = sin(128) - sin(8)
2x - 1 = -x + 3
3x = 4
x = 4/3
2x^2 + 3 = 11
2x^2 = 8
x^2 = 4
x = ±2
3x + 0.4x^2 = 0
0.4x^2 + 3x = 0
x(0.4x + 3) = 0
x = 0 или x = -7.5