solve the equation 2x^2-4x=-3 and express the roots in a+bi form.太久没做了,忘记怎么算了.

Solve the equation cosx= -0.4 on the interval 0≤x＜2π. 常微分solve the equation(x+4y)y'=2x+3y+5 solve the equation 49-81x=0 simplify 3/5x-2/7x,then solve the equation 3/5x-2/7x=2/5 Hence by using a suitable substitution ,solve the equation 25^2(5x+3)=50x+24 solve the equation 2x^2-4x=-3 and express the roots in a+bi form.太久没做了,忘记怎么算了. How to solve The number of real solution to the equation x/sinx=100 is Solve the equation:(x-6)(x+5)-2(x+2)(x-3)=(4-x)(x+7)+2求解答过程 Solve the equation ,Give the solution in exact fSolve the equation ,Give the solution in exact form.不要用翻译软件翻译的 solve the equation .solve the equation 2x³-3x²-11x+6=0 given that -2 is a zero of f(x)=2x³-3x²-11x+6.要翻译和解题过程 the problem solve itThe tangent line to a circle may be defined as the line that intersects the circle in a single point,called the point of tangency.If the equation if the circle is x^2 + y^2 = r^2 and the equation of the tangent line is y = mx + b, 英语翻译solve the equation graphically by finding x-intercepts.confirm by using factoring to solve the equation.x²－x-20=04x²－8x+3=0x(3x－7)=6 美国的数学题 顺便帮算出答案Solve each equation for the variable specified3t-4=6t-s,for t Solve the polynomial equation:-12x⁴- 8x³ + 49x² + 39x - 18 = 0 Solve the polynomial equation:x^5 - 5x⁴ - 4x³+ 36x²+ 27x - 135 = 0 三角函数方程问题Solve the following equation for 0°≤x≤360°.(Give the answers correct to 1 decimal place if necessary.)-2 tan ( 3x + 6° ) = 1 用英语解一道数学方程!请问怎么用英语解这到方程?要用正确英语格式!(全部用英语)solve the equation 3x-3=x+2 英语翻译AbstractThis chapter introduces ordinary differential equation (ODE) and its applications in finance and economics research.There are various approaches to solve an ordinary differential equation.Among them,the most commonly used approach