98=-2x*6(2x+7)

Simple and best practice solution for 98=-2x*6(2x+7) equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 98=-2x*6(2x+7) equation: 


Simplifying
98 = -2x * 6(2x + 7)

Reorder the terms:
98 = -2x * 6(7 + 2x)

Reorder the terms for easier multiplication:
98 = -2 * 6x(7 + 2x)

Multiply -2 * 6
98 = -12x(7 + 2x)
98 = (7 * -12x + 2x * -12x)
98 = (-84x + -24x2)

Solving
98 = -84x + -24x2

Solving for variable 'x'.

Reorder the terms:
98 + 84x + 24x2 = -84x + 84x + -24x2 + 24x2

Combine like terms: -84x + 84x = 0
98 + 84x + 24x2 = 0 + -24x2 + 24x2
98 + 84x + 24x2 = -24x2 + 24x2

Combine like terms: -24x2 + 24x2 = 0
98 + 84x + 24x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(49 + 42x + 12x2) = 0

Ignore the factor 2.

Subproblem 1
Set the factor '(49 + 42x + 12x2)' equal to zero and attempt to solve:

Simplifying
49 + 42x + 12x2 = 0

Solving
49 + 42x + 12x2 = 0

Begin completing the square.  Divide all terms by
12 the coefficient of the squared term: 

Divide each side by '12'.
4.083333333 + 3.5x + x2 = 0

Move the constant term to the right:

Add '-4.083333333' to each side of the equation.
4.083333333 + 3.5x + -4.083333333 + x2 = 0 + -4.083333333

Reorder the terms:
4.083333333 + -4.083333333 + 3.5x + x2 = 0 + -4.083333333

Combine like terms: 4.083333333 + -4.083333333 = 0.000000000
0.000000000 + 3.5x + x2 = 0 + -4.083333333
3.5x + x2 = 0 + -4.083333333

Combine like terms: 0 + -4.083333333 = -4.083333333
3.5x + x2 = -4.083333333

The x term is 3.5x.  Take half its coefficient (1.75).
Square it (3.0625) and add it to both sides.

Add '3.0625' to each side of the equation.
3.5x + 3.0625 + x2 = -4.083333333 + 3.0625

Reorder the terms:
3.0625 + 3.5x + x2 = -4.083333333 + 3.0625

Combine like terms: -4.083333333 + 3.0625 = -1.020833333
3.0625 + 3.5x + x2 = -1.020833333

Factor a perfect square on the left side:
(x + 1.75)(x + 1.75) = -1.020833333

Can't calculate square root of the right side.

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.

The solution to this equation could not be determined.

See similar equations:

| 40n+6=70 | | 11q+-7q= | | 3*y/8-5/6*y/3-5/2 | | 12x-18=45 | | (Y+3)-(Y-2)= | | 13m+2n-5m+10n= | | -x+6=3x-10 | | 2(x-2)-3(x+2)=-10 | | a*a=20 | | 300000+70q=550000+55q | | x^2-x^2=5 | | 6x+3y+6z-4x+3x-4y= | | 3x+4=t+13 | | x+(0.16)x=349 | | x^2-4=x+2 | | x*4-y-25=0 | | x+2x+1=25 | | x+2x-1=26 | | 1/2y-1/5x=-2 | | P=(10x+200)-(150+2x+75) | | k/9-517 | | Y+3x=48 | | Y=0.25x-3.8 | | (3y^2+2)+1=y+3 | | 3(3x+2)(x+1)(x-1)= | | 4(x+2)-16=8x-2(x+7) | | 1.5y=-2x+3 | | b=b+3a+2c | | X^3-9x^2+10x-15=0 | | 2x+5y=114 | | Tanx=3/8 | | 8+y=10-x |

Equations solver categories