(7x^2-5x+25)-(6x^2-15)=

Simple and best practice solution for (7x^2-5x+25)-(6x^2-15)= 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^2-5x+25)-(6x^2-15)= equation:


Simplifying
(7x2 + -5x + 25) + -1(6x2 + -15) = 0

Reorder the terms:
(25 + -5x + 7x2) + -1(6x2 + -15) = 0

Remove parenthesis around (25 + -5x + 7x2)
25 + -5x + 7x2 + -1(6x2 + -15) = 0

Reorder the terms:
25 + -5x + 7x2 + -1(-15 + 6x2) = 0
25 + -5x + 7x2 + (-15 * -1 + 6x2 * -1) = 0
25 + -5x + 7x2 + (15 + -6x2) = 0

Reorder the terms:
25 + 15 + -5x + 7x2 + -6x2 = 0

Combine like terms: 25 + 15 = 40
40 + -5x + 7x2 + -6x2 = 0

Combine like terms: 7x2 + -6x2 = 1x2
40 + -5x + 1x2 = 0

Solving
40 + -5x + 1x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-40' to each side of the equation.
40 + -5x + -40 + x2 = 0 + -40

Reorder the terms:
40 + -40 + -5x + x2 = 0 + -40

Combine like terms: 40 + -40 = 0
0 + -5x + x2 = 0 + -40
-5x + x2 = 0 + -40

Combine like terms: 0 + -40 = -40
-5x + x2 = -40

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 = -40 + 6.25

Reorder the terms:
6.25 + -5x + x2 = -40 + 6.25

Combine like terms: -40 + 6.25 = -33.75
6.25 + -5x + x2 = -33.75

Factor a perfect square on the left side:
(x + -2.5)(x + -2.5) = -33.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 4/3x+5=17 | | 2x+8y=-10 | | 2x+8y=-2 | | 17x-(9x-7)=63 | | 9(x-1)=8x+2 | | 3/4x12 | | 8x-3+15x=18 | | 6-3x=5x-10x/10-4 | | 3x=5-(x+0.33333) | | 0-7=3y | | (3m^7/4x^5y^3)^4 | | (m-2/9)=3 | | 72-1=42-3 | | 3y=3x+1 | | 3/5x-7/10=-2/5 | | 9/-3X2/5X-8 | | 3x=5-y | | x/8.8=-3.4 | | 5/7n=35 | | 0+5x=24 | | 1/6t=18 | | 5x/2=-1 | | (3x+2)(x+8)=88 | | 1/4x-10=70 | | 2/3x5 | | 3=6x | | 3x-0=-12 | | 10+1/2x=48 | | 3x+3-8=14-6x-8 | | X-(x+2)=19 | | -x^2+4x-6=y | | 6+z/9 |

Equations solver categories