# EQ2

Solve quadratic equation:

$2x\text{\xb2}-2(x-7)\text{\xb2}+5x=0$

### Correct answer:

Tips to related online calculators

Looking for help with calculating roots of a quadratic equation?

Do you have a linear equation or system of equations and looking for its solution? Or do you have a quadratic equation?

Do you have a linear equation or system of equations and looking for its solution? Or do you have a quadratic equation?

#### You need to know the following knowledge to solve this word math problem:

## Related math problems and questions:

- Pure quadratic equation

Solve pure quadratic equation -5x^{2}+10 = 0. - Completing square

Solve the quadratic equation: m^{2}=4m+20 using completing the square method - Quadratic equation

Solve quadratic equation: 2x^{2}+28x-550=0 - Substitution method

Solve goniometric equation: sin^{4}θ - 1/cos^{2}θ=cos^{2}θ - 2 - Square Number

If to a square of integer number add 17, we get the square of the next integer number. What is the original number? - Square roots

What is equal to the product of the square roots of 295936? - Solve equation

solve equation: [(a^{2})+3]^{1/2}+ [(a^{2})-3]^{1/2}= 5 - Tiles

From how many tiles 20 cm by 30 cm, we can build a square of maximum dimensions if we have maximum 881 tiles. - Square vs rectangle

Square and rectangle have the same area contents. The length of the rectangle is 9 greater and width 6 less than side of the square. Calculate the side of a square. - Find the

Find the number x, which if it increases by 2, then its square increases by 21 percent. - Quadratic equation

Quadratic equation 7x^{2}+bx+c=0 has roots x_{1}= 67 and x_{2}= -84. Calculate the coefficients b and c. - Non linear eqs

Solve the system of non-linear equations: 3x^{2}-3x-y=-2 -6x^{2}-x-y=-7 - Square 2

Points D[10,-8] and B[4,5] are opposed vertices of the square ABCD. Calculate area of the square ABCD. - Bomber

Bomber flies 10 km at 600 km/h. At what horizontal distance from the target, must pilot drop the bomb to hit the target? Don't care about air resistance and consider the gravitational acceleration g=9.81 m/s^{2}. - Square

Suppose the square's sides' length decreases by a 25% decrease in the content area of 28 cm^{2}. Determine the side length of the original square. - Eq with reciprocal

Solve given equation with reciprocal member: a-6/a+10=4/8 - Power

Number ?. Find the value of x.