x-6x^(1/2)+4=0Fully simplify your answers, writing them in the forma+b√c, wherea,bandcare integers to be found. 相关知识点: 试题来源: 解析 x=14+6√5或者x=14-6√5 将原方程中的 x^(1/2) 替换为 y,得到 y^2 - 6y + 4 = 0。利用求根公式解得 y = 3 ±√5。由于 x = y...
a_{q1}x_1+a_{qc}x_c=b_q \quad (14) \\a_{r2}x_2+a_{rc}x_c=b_r \quad (15) \\ 其中a_{r2} \not= 0, 若sa_{qc} = a_{rc}则表明约束 (14)和约束(15)是近似平行约束。其中x_c就是近似平行约束中两个约束公共拥有的变量,x_1是约束(14)独有的变量,x_2是约束(15)独有的...
x2−6x−6=0x2-6x-6=0 Add66to both sides of theequation. x2−6x=6x2-6x=6 To create atrinomialsquareon the left side of theequation, find a value that is equal to thesquareofhalfofbb. (b2)2=(−3)2(b2)2=(-3)2 ...
Solve: dx/dt = xte^{2t} , x(1) = 2 Solve: x^2 + 3x - 28 = 0. Solve for r. 5(r - 1) = 2(r - 4) - 6 Solve: 9 - c 2 ,\text{or} -3c 15. Solve: f(x) = \frac {1}{4x^2+1}, c = 0 Solve for x, if 0.85 = log(x). Solve for x: x^2 - 13x = ...
Answer to: Solve x^2 + 6x - 9 = 0 By signing up, you'll get thousands of step-by-step solutions to your homework questions. You can also ask your...
Solve for x if 8x = x^2 - 6x. Solve: 2 + 4 Solve. \frac {2x^3-3x^2-2x+3}{x^2-2x-8} Solve 3 1 2 x = 4 x . Solve: \frac{5}{4 - x} - \frac{1}{3} = x Solve: 8n + 12 - 5n = 21 Solve for w. w^2 - 3w - 40 = 0 Solve for x: 4x + 7 = 5x -...
百度试题 结果1 题目解以下不等式. Solve the following inequality. x2−6x+8⩾0. 相关知识点: 试题来源: 解析 x⩽2或x⩾4. 原式=x2−6x+9⩾1, (x−3)2⩾1, x−3⩽−1或x−3⩾1, x⩽2或x⩾4.反馈 收藏
百度试题 结果1 题目5. Solve the simultaneous equations, x+y=1 and 6x^2-y^2=2 相关知识点: 试题来源: 解析 x=-{{1}\over{5}} ,{{3}\over{5}} y={{2}\over{5}} ,{{6}\over{5}} 反馈 收藏
Input: "x+5-3+x=6+x-2" Output: "x=2" Example 2: Input: "x=x" Output: "Infinite solutions" Example 3: Input: "2x=x" Output: "x=0" Example 4: Input: "2x+3x-6x=x+2" Output: "x=-1" Example 5: Input: "x=x+2" ...
How do you solve for x in 3x^4 + 2 = 4x - 1? How do you solve 12x^2 - 7x + 1 = 0? How do you solve 10(x - 2) = -20? How do you solve 3x - 5 = 1 How do you solve 3sec^2(x - 4) = 0? How do you solve for x in 7 - 5x = -5x - 6x + 7?