(14x+5)(14x+5)=20

Simple and best practice solution for (14x+5)(14x+5)=20 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 (14x+5)(14x+5)=20 equation:


Simplifying
(14x + 5)(14x + 5) = 20

Reorder the terms:
(5 + 14x)(14x + 5) = 20

Reorder the terms:
(5 + 14x)(5 + 14x) = 20

Multiply (5 + 14x) * (5 + 14x)
(5(5 + 14x) + 14x * (5 + 14x)) = 20
((5 * 5 + 14x * 5) + 14x * (5 + 14x)) = 20
((25 + 70x) + 14x * (5 + 14x)) = 20
(25 + 70x + (5 * 14x + 14x * 14x)) = 20
(25 + 70x + (70x + 196x2)) = 20

Combine like terms: 70x + 70x = 140x
(25 + 140x + 196x2) = 20

Solving
25 + 140x + 196x2 = 20

Solving for variable 'x'.

Reorder the terms:
25 + -20 + 140x + 196x2 = 20 + -20

Combine like terms: 25 + -20 = 5
5 + 140x + 196x2 = 20 + -20

Combine like terms: 20 + -20 = 0
5 + 140x + 196x2 = 0

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

Divide each side by '196'.
0.02551020408 + 0.7142857143x + x2 = 0

Move the constant term to the right:

Add '-0.02551020408' to each side of the equation.
0.02551020408 + 0.7142857143x + -0.02551020408 + x2 = 0 + -0.02551020408

Reorder the terms:
0.02551020408 + -0.02551020408 + 0.7142857143x + x2 = 0 + -0.02551020408

Combine like terms: 0.02551020408 + -0.02551020408 = 0.00000000000
0.00000000000 + 0.7142857143x + x2 = 0 + -0.02551020408
0.7142857143x + x2 = 0 + -0.02551020408

Combine like terms: 0 + -0.02551020408 = -0.02551020408
0.7142857143x + x2 = -0.02551020408

The x term is 0.7142857143x.  Take half its coefficient (0.3571428572).
Square it (0.1275510204) and add it to both sides.

Add '0.1275510204' to each side of the equation.
0.7142857143x + 0.1275510204 + x2 = -0.02551020408 + 0.1275510204

Reorder the terms:
0.1275510204 + 0.7142857143x + x2 = -0.02551020408 + 0.1275510204

Combine like terms: -0.02551020408 + 0.1275510204 = 0.10204081632
0.1275510204 + 0.7142857143x + x2 = 0.10204081632

Factor a perfect square on the left side:
(x + 0.3571428572)(x + 0.3571428572) = 0.10204081632

Calculate the square root of the right side: 0.319438282

Break this problem into two subproblems by setting 
(x + 0.3571428572) equal to 0.319438282 and -0.319438282.

Subproblem 1

x + 0.3571428572 = 0.319438282 Simplifying x + 0.3571428572 = 0.319438282 Reorder the terms: 0.3571428572 + x = 0.319438282 Solving 0.3571428572 + x = 0.319438282 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.3571428572' to each side of the equation. 0.3571428572 + -0.3571428572 + x = 0.319438282 + -0.3571428572 Combine like terms: 0.3571428572 + -0.3571428572 = 0.0000000000 0.0000000000 + x = 0.319438282 + -0.3571428572 x = 0.319438282 + -0.3571428572 Combine like terms: 0.319438282 + -0.3571428572 = -0.0377045752 x = -0.0377045752 Simplifying x = -0.0377045752

Subproblem 2

x + 0.3571428572 = -0.319438282 Simplifying x + 0.3571428572 = -0.319438282 Reorder the terms: 0.3571428572 + x = -0.319438282 Solving 0.3571428572 + x = -0.319438282 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.3571428572' to each side of the equation. 0.3571428572 + -0.3571428572 + x = -0.319438282 + -0.3571428572 Combine like terms: 0.3571428572 + -0.3571428572 = 0.0000000000 0.0000000000 + x = -0.319438282 + -0.3571428572 x = -0.319438282 + -0.3571428572 Combine like terms: -0.319438282 + -0.3571428572 = -0.6765811392 x = -0.6765811392 Simplifying x = -0.6765811392

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.0377045752, -0.6765811392}

See similar equations:

| 2(x+4)+star=16 | | 5f=f+36 | | 5x+5(2x+10)=10x+12 | | 2(x+4)-5x=23 | | 3x+2star+x=x+6 | | 5x-2=-x+7+6 | | 5(y+5)-5y=31 | | -3+sy=17 | | 8x-1x=7x | | 32-(2c+4)=2(c+7)+c | | ax+by+c+2ax-3by+c+by-c= | | 5=(7-2)/3-x | | 2x^2-13=7x | | 5=7-2/3-x | | 3(2star)-3star+4=2star+5 | | 4a+2b+c=8 | | 12-4(6x-2)=8-(2x+5) | | 35=5u | | 2x+6=7-3x | | 97=215t+-16t^2 | | y=sin(5x+2) | | 7w-16w= | | 6c=4c+6 | | 5(k-3)-8=5k-(4k-3) | | 4x+3-5x= | | 2x+80+145+x=360 | | -8g+4.5=36.3 | | 0.2(1.4-3x)+1.3x-2.9= | | c-d-5c+d= | | -3x-4=2(7x-4) | | 5+bx+3x=11 | | 9d^3=25 |

Equations solver categories