(4x^2+19x-10)-(4x-9)=

Simple and best practice solution for (4x^2+19x-10)-(4x-9)= 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+19x-10)-(4x-9)= equation:


Simplifying
(4x2 + 19x + -10) + -1(4x + -9) = 0

Reorder the terms:
(-10 + 19x + 4x2) + -1(4x + -9) = 0

Remove parenthesis around (-10 + 19x + 4x2)
-10 + 19x + 4x2 + -1(4x + -9) = 0

Reorder the terms:
-10 + 19x + 4x2 + -1(-9 + 4x) = 0
-10 + 19x + 4x2 + (-9 * -1 + 4x * -1) = 0
-10 + 19x + 4x2 + (9 + -4x) = 0

Reorder the terms:
-10 + 9 + 19x + -4x + 4x2 = 0

Combine like terms: -10 + 9 = -1
-1 + 19x + -4x + 4x2 = 0

Combine like terms: 19x + -4x = 15x
-1 + 15x + 4x2 = 0

Solving
-1 + 15x + 4x2 = 0

Solving for variable 'x'.

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

Divide each side by '4'.
-0.25 + 3.75x + x2 = 0

Move the constant term to the right:

Add '0.25' to each side of the equation.
-0.25 + 3.75x + 0.25 + x2 = 0 + 0.25

Reorder the terms:
-0.25 + 0.25 + 3.75x + x2 = 0 + 0.25

Combine like terms: -0.25 + 0.25 = 0.00
0.00 + 3.75x + x2 = 0 + 0.25
3.75x + x2 = 0 + 0.25

Combine like terms: 0 + 0.25 = 0.25
3.75x + x2 = 0.25

The x term is 3.75x.  Take half its coefficient (1.875).
Square it (3.515625) and add it to both sides.

Add '3.515625' to each side of the equation.
3.75x + 3.515625 + x2 = 0.25 + 3.515625

Reorder the terms:
3.515625 + 3.75x + x2 = 0.25 + 3.515625

Combine like terms: 0.25 + 3.515625 = 3.765625
3.515625 + 3.75x + x2 = 3.765625

Factor a perfect square on the left side:
(x + 1.875)(x + 1.875) = 3.765625

Calculate the square root of the right side: 1.940521837

Break this problem into two subproblems by setting 
(x + 1.875) equal to 1.940521837 and -1.940521837.

Subproblem 1

x + 1.875 = 1.940521837 Simplifying x + 1.875 = 1.940521837 Reorder the terms: 1.875 + x = 1.940521837 Solving 1.875 + x = 1.940521837 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.875' to each side of the equation. 1.875 + -1.875 + x = 1.940521837 + -1.875 Combine like terms: 1.875 + -1.875 = 0.000 0.000 + x = 1.940521837 + -1.875 x = 1.940521837 + -1.875 Combine like terms: 1.940521837 + -1.875 = 0.065521837 x = 0.065521837 Simplifying x = 0.065521837

Subproblem 2

x + 1.875 = -1.940521837 Simplifying x + 1.875 = -1.940521837 Reorder the terms: 1.875 + x = -1.940521837 Solving 1.875 + x = -1.940521837 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.875' to each side of the equation. 1.875 + -1.875 + x = -1.940521837 + -1.875 Combine like terms: 1.875 + -1.875 = 0.000 0.000 + x = -1.940521837 + -1.875 x = -1.940521837 + -1.875 Combine like terms: -1.940521837 + -1.875 = -3.815521837 x = -3.815521837 Simplifying x = -3.815521837

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.065521837, -3.815521837}

See similar equations:

| 3(4c-1)-6=10c+3 | | 3x^2+5=4x | | (15y^4-12y^2)/(3y^2) | | (5u-3)(6u^2+4u-2)= | | 2(-5)= | | 17t+3t=20 | | 2w-3(w+4)=-1 | | x^5+32=0 | | 2(-5)+1= | | 25=x+(-8) | | 1/(1/0.13)+(4/0.27) | | (3(x+2)/4)=2x-2 | | log(2x^2+5x)=log(3) | | 5-x=-13 | | y=81x^2-12x-1 | | 3+x=-16 | | 2x^3+x^2+x=-0.5 | | m/-3=-9 | | 3(n+3)=1+4n | | 9x-8*x+2/6-x | | 1/(1/0.13)+(2/0.27) | | 33.3y=166.0 | | 3m-2n=4 | | f(x)=x^2-x-42 | | 5y-8/8 | | y-5y-8/8 | | 1.3=x-2.4 | | 1/(1/0.13)+(t/0.27) | | b/4=11 | | 7x/8/9x+18/8x+16 | | tanx=5 | | 0.50x+0.55(90)=0.25(102) |

Equations solver categories