wherea,b, andcare the coefficients from the quadratic equationax2+bx+c=0. Step 1: Identify the coefficients In our equation2x2+5x−2=0: -a=2 -b=5 -c=−2 Step 2: Calculate the discriminant The discriminantDis calculated as follows: ...
How do you solve 5x^2 - 2x - 2 = 0?Question:How do you solve 5x^2 - 2x - 2 = 0?Quadratic Equation:The quadratic equation has the form {eq}(ax^2 + bx + c = 0) {/eq}, where {eq}a {/eq} is the quadratic coefficient, {eq}b {/eq} the linear, {eq}c {/eq} the c...
Answer to: Solve by quadratic formula: x^2 - 2x - 5 = 0. By signing up, you'll get thousands of step-by-step solutions to your homework questions...
【解析】 Use the quadratic formula to find the solution s. $$ \frac { - b \pm \sqrt { b ^ { 2 } - 4 ( a c ) } } { 2 a } $$ Substitute the values$$ a = 2 b = 6 a n d c = - 5 i n t o $$ the quadratic formula and solve for x. $$ \frac { - 6 \...
How do you solve for x in 2x^2 - 5x - 10 = 0 using the quadratic formula? How do you solve 4 - 3x = 2x^2 using the quadratic formula? Solve the following equation: 0.053 = (2x)^2 / (0.79 - x)(0.21 - x)? Solve the following. 2x^2 + 5x - 12 = 0 Find the solution ...
3.2x-1口Not to scale2x事口5x口★-6x-2Figure I Figure I shows the plan of a garden. The marked angles are right angles.The six edges are straight lines.The lengths shown in the diagram are given in metres.Given that the perimeter of the garden is greater than 29m,(a) show that ...
2(x)2−34x+20=0 求解x 的值 x=2249+17≈16.389866919 x=217−249≈0.610133081 形式为的所有方程式均可求解,方法是使用二次公式来求解:。此二次公式可得到两个解,一个是当取加号时的解,另一个是取减号时的解。 此公式采用标准形式:。在二次公式中用替换,替换,并用替换。
(2x-3)(5x2-2x-1) Final result : (2x - 3) • (5x2 - 2x - 1) Step by step solution : Step 1 :Equation at the end of step 1 : (2x - 3) • ((5x2 - 2x) - 1) Step 2 :Trying to factor by splitting the ... How do you find the end behavior of f(x)=−2(x...
结果1 题目Solve the following quadratic equations by using quadratic formula.(a) 2x^2+3x-4=0(b) -3x^2-4x+1=4x+2x^2-1 相关知识点: 试题来源: 解析 =(-3±√(41))/4 × : (-3+√(41))/4orx=(-3-√(41))/4 反馈 收藏 ...
Answer to: How do you solve for x in 2x^2 - 5x = -7 using the quadratic formula? By signing up, you'll get thousands of step-by-step solutions to...