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3x² - 10x + 6 = 0
3x² + 15x + 18 = 0
4x² + 3x - 24 = 0
4x² + 15x + 8 = 0
解一元二次方程: 6x² - 15x - 24 = 0
trùng phương x^4 + -1x² + 14 = 0
Solve the inequality: 2x + 7 ≤ 0
(2x - 4)/(2x + 5) ≥ 0
đạo hàm f(x) = 6x³ - x² + 3x
derivative of f(x) = 3x³ - 4x² - 7x
hệ phương trình 5x + 5y = 6, 4x - 2y = -9
x + y = 5, 2x - y = 4
一个长方形花园的周长为50米,面积为56平方米。求花园的长和宽。 解方程: 11x² - 47x - 2 = 0
Find the intervals where f(x) = 4x³ - 2x² + 3x is increasing and decreasing.
Giải phương trình bậc hai: 10x² + 57x - 106 = 0
Solve the quadratic equation: 12x² + 13x - 38 = 0
Solve the quadratic equation: 8x² + 66x - 69 = 0
解不等式: |1x - 1| ≥ 16
Giải bất phương trình: |4x - 4| ≥ 19
Solve: (3x + 6)/(5x + 1) > 0
Maximize z = 4x + 7y subject to: x + y ≤ 7, x ≥ 0, y ≥ 0
system of equations 4x + 4y = 12, x - 3y = 7
解方程组 2x + 5y = 17, x - 4y = 6
system of equations x + y = 19, x - 2y = 2