4x^2+16x-35=-7

Simple and best practice solution for 4x^2+16x-35=-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 4x^2+16x-35=-7 equation:


Simplifying
4x2 + 16x + -35 = -7

Reorder the terms:
-35 + 16x + 4x2 = -7

Solving
-35 + 16x + 4x2 = -7

Solving for variable 'x'.

Reorder the terms:
-35 + 7 + 16x + 4x2 = -7 + 7

Combine like terms: -35 + 7 = -28
-28 + 16x + 4x2 = -7 + 7

Combine like terms: -7 + 7 = 0
-28 + 16x + 4x2 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(-7 + 4x + x2) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(-7 + 4x + x2)' equal to zero and attempt to solve: Simplifying -7 + 4x + x2 = 0 Solving -7 + 4x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '7' to each side of the equation. -7 + 4x + 7 + x2 = 0 + 7 Reorder the terms: -7 + 7 + 4x + x2 = 0 + 7 Combine like terms: -7 + 7 = 0 0 + 4x + x2 = 0 + 7 4x + x2 = 0 + 7 Combine like terms: 0 + 7 = 7 4x + x2 = 7 The x term is 4x. Take half its coefficient (2). Square it (4) and add it to both sides. Add '4' to each side of the equation. 4x + 4 + x2 = 7 + 4 Reorder the terms: 4 + 4x + x2 = 7 + 4 Combine like terms: 7 + 4 = 11 4 + 4x + x2 = 11 Factor a perfect square on the left side: (x + 2)(x + 2) = 11 Calculate the square root of the right side: 3.31662479 Break this problem into two subproblems by setting (x + 2) equal to 3.31662479 and -3.31662479.

Subproblem 1

x + 2 = 3.31662479 Simplifying x + 2 = 3.31662479 Reorder the terms: 2 + x = 3.31662479 Solving 2 + x = 3.31662479 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = 3.31662479 + -2 Combine like terms: 2 + -2 = 0 0 + x = 3.31662479 + -2 x = 3.31662479 + -2 Combine like terms: 3.31662479 + -2 = 1.31662479 x = 1.31662479 Simplifying x = 1.31662479

Subproblem 2

x + 2 = -3.31662479 Simplifying x + 2 = -3.31662479 Reorder the terms: 2 + x = -3.31662479 Solving 2 + x = -3.31662479 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = -3.31662479 + -2 Combine like terms: 2 + -2 = 0 0 + x = -3.31662479 + -2 x = -3.31662479 + -2 Combine like terms: -3.31662479 + -2 = -5.31662479 x = -5.31662479 Simplifying x = -5.31662479

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.31662479, -5.31662479}

Solution

x = {1.31662479, -5.31662479}

See similar equations:

| 16=4t | | X+3x+(x-15)+(x+30)=180 | | U=2x+7x-120 | | A^2x-5a^2=8a^2 | | .75x=-x | | 12.5=4.5+x(10.5-4.5) | | -1+2+4= | | -2*4x=3 | | 4(x+5)=8x+17-4x+3 | | 80x^2-660x+1360=0 | | 84=-6(-8+3k) | | 3x-9/6=3 | | 6+5r=5r+-3 | | x^2-36=x-6 | | 4x-2(x-2)=-7+5x-7 | | 5=v/7 | | -2d=8 | | .6y+y-4=31 | | 6+4x=112 | | 8y-2x^2=0 | | (x+4)(x+2)=4x+8 | | 8v^2-26v+15=0 | | x^2+x-5y=0 | | 5x*2= | | 10x*2=-8 | | 5x-7=73-11x | | 16=8s | | q^2+16q-25=0 | | 7[-6z-3+5(z+1)]=4z+2 | | 2(n-8)=36 | | 8+-9t=21t+-17 | | -3y-7=-2y-8 |

Equations solver categories