4x^2-20x-150=0

Simple and best practice solution for 4x^2-20x-150=0 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^2-20x-150=0 equation:


Simplifying
4x2 + -20x + -150 = 0

Reorder the terms:
-150 + -20x + 4x2 = 0

Solving
-150 + -20x + 4x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-75 + -10x + 2x2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-75 + -10x + 2x2)' equal to zero and attempt to solve: Simplifying -75 + -10x + 2x2 = 0 Solving -75 + -10x + 2x2 = 0 Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. -37.5 + -5x + x2 = 0 Move the constant term to the right: Add '37.5' to each side of the equation. -37.5 + -5x + 37.5 + x2 = 0 + 37.5 Reorder the terms: -37.5 + 37.5 + -5x + x2 = 0 + 37.5 Combine like terms: -37.5 + 37.5 = 0.0 0.0 + -5x + x2 = 0 + 37.5 -5x + x2 = 0 + 37.5 Combine like terms: 0 + 37.5 = 37.5 -5x + x2 = 37.5 The x term is -5x. Take half its coefficient (-2.5). Square it (6.25) and add it to both sides. Add '6.25' to each side of the equation. -5x + 6.25 + x2 = 37.5 + 6.25 Reorder the terms: 6.25 + -5x + x2 = 37.5 + 6.25 Combine like terms: 37.5 + 6.25 = 43.75 6.25 + -5x + x2 = 43.75 Factor a perfect square on the left side: (x + -2.5)(x + -2.5) = 43.75 Calculate the square root of the right side: 6.614378278 Break this problem into two subproblems by setting (x + -2.5) equal to 6.614378278 and -6.614378278.

Subproblem 1

x + -2.5 = 6.614378278 Simplifying x + -2.5 = 6.614378278 Reorder the terms: -2.5 + x = 6.614378278 Solving -2.5 + x = 6.614378278 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.5' to each side of the equation. -2.5 + 2.5 + x = 6.614378278 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + x = 6.614378278 + 2.5 x = 6.614378278 + 2.5 Combine like terms: 6.614378278 + 2.5 = 9.114378278 x = 9.114378278 Simplifying x = 9.114378278

Subproblem 2

x + -2.5 = -6.614378278 Simplifying x + -2.5 = -6.614378278 Reorder the terms: -2.5 + x = -6.614378278 Solving -2.5 + x = -6.614378278 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.5' to each side of the equation. -2.5 + 2.5 + x = -6.614378278 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + x = -6.614378278 + 2.5 x = -6.614378278 + 2.5 Combine like terms: -6.614378278 + 2.5 = -4.114378278 x = -4.114378278 Simplifying x = -4.114378278

Solution

The solution to the problem is based on the solutions from the subproblems. x = {9.114378278, -4.114378278}

Solution

x = {9.114378278, -4.114378278}

See similar equations:

| -8(3x-2)+4(3x+4)= | | 13(t+1)-3(2+4)=38 | | 7/3×(-1/7) | | (9x+24)=(15x) | | H+62=133 | | 8x+13=5x-2 | | 10x+4+26x-4=180 | | (2x-1)^1/3-6=-5 | | 5/6x=9/10=-1/5x-23/10 | | x*20=300 | | 4÷6/6÷7 | | (14y-4)=122 | | 160+0.15x=263.50 | | 2x+11=-3x+26 | | 31/25x=−62 | | h(y)=-2y+4 | | 5/4w-12=3/4w | | -2x+13=5x-2 | | -45+2x=-3x+40 | | (3x+11)+(x+21)=180 | | 2x^3+5x^2-7=0 | | 2(9n-1)+60=-7(n+6) | | 5x+23x-7=7(4x+4) | | 4(2x+1)-6(3x+2)-2(x-1)=3(5x+7) | | d=2pi | | x+(x+3)ln(x+3)=0 | | -5(2p+3)-5=2(3p+6) | | 4n+5=10+8n | | 2x=y+2-5x | | 18p-33=11p-45 | | (21y-1)+(9x-38)=180 | | 2r-3=-11 |

Equations solver categories