(7x^2+8x-2)-(4x^2-6)=

Simple and best practice solution for (7x^2+8x-2)-(4x^2-6)= 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 (7x^2+8x-2)-(4x^2-6)= equation:


Simplifying
(7x2 + 8x + -2) + -1(4x2 + -6) = 0

Reorder the terms:
(-2 + 8x + 7x2) + -1(4x2 + -6) = 0

Remove parenthesis around (-2 + 8x + 7x2)
-2 + 8x + 7x2 + -1(4x2 + -6) = 0

Reorder the terms:
-2 + 8x + 7x2 + -1(-6 + 4x2) = 0
-2 + 8x + 7x2 + (-6 * -1 + 4x2 * -1) = 0
-2 + 8x + 7x2 + (6 + -4x2) = 0

Reorder the terms:
-2 + 6 + 8x + 7x2 + -4x2 = 0

Combine like terms: -2 + 6 = 4
4 + 8x + 7x2 + -4x2 = 0

Combine like terms: 7x2 + -4x2 = 3x2
4 + 8x + 3x2 = 0

Solving
4 + 8x + 3x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(2 + x)(2 + 3x) = 0

Subproblem 1

Set the factor '(2 + x)' equal to zero and attempt to solve: Simplifying 2 + x = 0 Solving 2 + x = 0 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 = 0 + -2 Combine like terms: 2 + -2 = 0 0 + x = 0 + -2 x = 0 + -2 Combine like terms: 0 + -2 = -2 x = -2 Simplifying x = -2

Subproblem 2

Set the factor '(2 + 3x)' equal to zero and attempt to solve: Simplifying 2 + 3x = 0 Solving 2 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + 3x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 3x = 0 + -2 3x = 0 + -2 Combine like terms: 0 + -2 = -2 3x = -2 Divide each side by '3'. x = -0.6666666667 Simplifying x = -0.6666666667

Solution

x = {-2, -0.6666666667}

See similar equations:

| 2(5x+6)-9=-27 | | 5a+5=a+35 | | (4x+16)(2x+34)=180 | | 5+10x=14+x | | 6x+-8=5x+4 | | 7=x/17.5 | | 3(12+2d)-7=13-12+2d | | (5x+10)(x+2)+125=0 | | -(3x^2)^-3/6x^4 | | 2(4k+2)-32= | | r-21=6 | | 6(y-7)/5=-4y | | (6x-3)+(3x+7)= | | 1.25x+42=-123 | | 5.7(x-3)=-0.3x+24.9 | | -9.95x=56.4 | | x^4+2x^3-10x^2+25x=0 | | -7(2u-2)+6u=4(u+7) | | -3=3x+4 | | 3-8y=24 | | 6/34=p/68 | | 8x+16=4x+48 | | 4(x-2)+44=-2x | | 3x-15=39-3x | | x-45=102 | | 5x-3(2x+1)=3 | | -19+n=20 | | 4v^2-6=5v | | 4r+7s=q | | 5.45-y=85.92 | | 4(x+8)+2(3x-6)=60 | | 3x-2+x-3=5+6 |

Equations solver categories