35x^2+42x-24=0

Simple and best practice solution for 35x^2+42x-24=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 35x^2+42x-24=0 equation:


Simplifying
35x2 + 42x + -24 = 0

Reorder the terms:
-24 + 42x + 35x2 = 0

Solving
-24 + 42x + 35x2 = 0

Solving for variable 'x'.

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

Divide each side by '35'.
-0.6857142857 + 1.2x + x2 = 0

Move the constant term to the right:

Add '0.6857142857' to each side of the equation.
-0.6857142857 + 1.2x + 0.6857142857 + x2 = 0 + 0.6857142857

Reorder the terms:
-0.6857142857 + 0.6857142857 + 1.2x + x2 = 0 + 0.6857142857

Combine like terms: -0.6857142857 + 0.6857142857 = 0.0000000000
0.0000000000 + 1.2x + x2 = 0 + 0.6857142857
1.2x + x2 = 0 + 0.6857142857

Combine like terms: 0 + 0.6857142857 = 0.6857142857
1.2x + x2 = 0.6857142857

The x term is 1.2x.  Take half its coefficient (0.6).
Square it (0.36) and add it to both sides.

Add '0.36' to each side of the equation.
1.2x + 0.36 + x2 = 0.6857142857 + 0.36

Reorder the terms:
0.36 + 1.2x + x2 = 0.6857142857 + 0.36

Combine like terms: 0.6857142857 + 0.36 = 1.0457142857
0.36 + 1.2x + x2 = 1.0457142857

Factor a perfect square on the left side:
(x + 0.6)(x + 0.6) = 1.0457142857

Calculate the square root of the right side: 1.022601724

Break this problem into two subproblems by setting 
(x + 0.6) equal to 1.022601724 and -1.022601724.

Subproblem 1

x + 0.6 = 1.022601724 Simplifying x + 0.6 = 1.022601724 Reorder the terms: 0.6 + x = 1.022601724 Solving 0.6 + x = 1.022601724 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.6' to each side of the equation. 0.6 + -0.6 + x = 1.022601724 + -0.6 Combine like terms: 0.6 + -0.6 = 0.0 0.0 + x = 1.022601724 + -0.6 x = 1.022601724 + -0.6 Combine like terms: 1.022601724 + -0.6 = 0.422601724 x = 0.422601724 Simplifying x = 0.422601724

Subproblem 2

x + 0.6 = -1.022601724 Simplifying x + 0.6 = -1.022601724 Reorder the terms: 0.6 + x = -1.022601724 Solving 0.6 + x = -1.022601724 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.6' to each side of the equation. 0.6 + -0.6 + x = -1.022601724 + -0.6 Combine like terms: 0.6 + -0.6 = 0.0 0.0 + x = -1.022601724 + -0.6 x = -1.022601724 + -0.6 Combine like terms: -1.022601724 + -0.6 = -1.622601724 x = -1.622601724 Simplifying x = -1.622601724

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.422601724, -1.622601724}

See similar equations:

| -2=r-[-5] | | 225=81-b | | (X-1/3)^2=1/4 | | 2.5x+1=0.5+0.5x | | (3x-9)/(x-2) | | (5x-10)=(2x+5) | | 7x-4=7(x-2) | | 2x-12=76 | | 4(x-5)=-9+x-11+3x | | 2x-12=76 | | 7x-2(3x-1)= | | 4(x-5)=-9+x-11+3x | | 4(x-5)=-9+x-11+3x | | 4(x-5)=-9+x-11+3x | | 7x-2(3x-1)= | | 4(x-5)=-9+x-11+3x | | n^2+3n+2=2 | | F(x)=2x^2-9x+9 | | 7+2n=2n | | 4=4-a/9 | | 1.4+0.4x=2.533+1.666x+0.666 | | 9x+45=60 | | 10x-3(2x+8)= | | 2b-9=1.5(b+2) | | 15-6n=6 | | 2x+30=350 | | 167/-22-22r/-22 | | 75+25x=60 | | 7x^2+23x+8=2 | | 7p+14=0 | | 2/7x-9=-7 | | 75+25x=180 |

Equations solver categories