4x^2+31x+21x=110

Simple and best practice solution for 4x^2+31x+21x=110 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 4x^2+31x+21x=110 equation:


Simplifying
4x2 + 31x + 21x = 110

Reorder the terms:
31x + 21x + 4x2 = 110

Combine like terms: 31x + 21x = 52x
52x + 4x2 = 110

Solving
52x + 4x2 = 110

Solving for variable 'x'.

Reorder the terms:
-110 + 52x + 4x2 = 110 + -110

Combine like terms: 110 + -110 = 0
-110 + 52x + 4x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-55 + 26x + 2x2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-55 + 26x + 2x2)' equal to zero and attempt to solve: Simplifying -55 + 26x + 2x2 = 0 Solving -55 + 26x + 2x2 = 0 Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. -27.5 + 13x + x2 = 0 Move the constant term to the right: Add '27.5' to each side of the equation. -27.5 + 13x + 27.5 + x2 = 0 + 27.5 Reorder the terms: -27.5 + 27.5 + 13x + x2 = 0 + 27.5 Combine like terms: -27.5 + 27.5 = 0.0 0.0 + 13x + x2 = 0 + 27.5 13x + x2 = 0 + 27.5 Combine like terms: 0 + 27.5 = 27.5 13x + x2 = 27.5 The x term is 13x. Take half its coefficient (6.5). Square it (42.25) and add it to both sides. Add '42.25' to each side of the equation. 13x + 42.25 + x2 = 27.5 + 42.25 Reorder the terms: 42.25 + 13x + x2 = 27.5 + 42.25 Combine like terms: 27.5 + 42.25 = 69.75 42.25 + 13x + x2 = 69.75 Factor a perfect square on the left side: (x + 6.5)(x + 6.5) = 69.75 Calculate the square root of the right side: 8.351646544 Break this problem into two subproblems by setting (x + 6.5) equal to 8.351646544 and -8.351646544.

Subproblem 1

x + 6.5 = 8.351646544 Simplifying x + 6.5 = 8.351646544 Reorder the terms: 6.5 + x = 8.351646544 Solving 6.5 + x = 8.351646544 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-6.5' to each side of the equation. 6.5 + -6.5 + x = 8.351646544 + -6.5 Combine like terms: 6.5 + -6.5 = 0.0 0.0 + x = 8.351646544 + -6.5 x = 8.351646544 + -6.5 Combine like terms: 8.351646544 + -6.5 = 1.851646544 x = 1.851646544 Simplifying x = 1.851646544

Subproblem 2

x + 6.5 = -8.351646544 Simplifying x + 6.5 = -8.351646544 Reorder the terms: 6.5 + x = -8.351646544 Solving 6.5 + x = -8.351646544 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-6.5' to each side of the equation. 6.5 + -6.5 + x = -8.351646544 + -6.5 Combine like terms: 6.5 + -6.5 = 0.0 0.0 + x = -8.351646544 + -6.5 x = -8.351646544 + -6.5 Combine like terms: -8.351646544 + -6.5 = -14.851646544 x = -14.851646544 Simplifying x = -14.851646544

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.851646544, -14.851646544}

Solution

x = {1.851646544, -14.851646544}

See similar equations:

| y=(90-(90-y)/2)/2 | | 2x+118+2x+68+68+90=360 | | y/5.22=3.11 | | 2(1-4r)=-2(r+3)-4 | | 7(9z+8)=19+6z | | y=90-(90-y/2)/2 | | 0.07n=-7 | | 4(y-5)=-2(y+2) | | k/21.45=6 | | y=90-(90-y/4)/4 | | y=1/9x^2 | | -6(1+6x)=6(1-5x) | | (x+4)2=9/64 | | y=(120-(120-y)/4)/4 | | 9x+1=5x-5 | | 9x+1=5x-6 | | 2-0.5b/4 | | 5=2x+15 | | 2-0.5/4 | | 4x^2+45x+50=110 | | 13-b/6 | | 9y^2-16y-4=0 | | (x-7)2=54 | | 5a^4-5=0 | | y=120-(120-y/4)/4 | | x^4-2x^2-16x-15=0 | | x+(3x-2)=9 | | x+4=-2x+1 | | (x-7)2=48 | | 2/3+2/3=b | | 2a+3b=18b | | p=-1/2s^2+280s-1200 |

Equations solver categories