-05x^2+1.5x+2=0.92

Simple and best practice solution for -05x^2+1.5x+2=0.92 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 -05x^2+1.5x+2=0.92 equation:


Simplifying
-5x2 + 1.5x + 2 = 0.92

Reorder the terms:
2 + 1.5x + -5x2 = 0.92

Solving
2 + 1.5x + -5x2 = 0.92

Solving for variable 'x'.

Reorder the terms:
2 + -0.92 + 1.5x + -5x2 = 0.92 + -0.92

Combine like terms: 2 + -0.92 = 1.08
1.08 + 1.5x + -5x2 = 0.92 + -0.92

Combine like terms: 0.92 + -0.92 = 0.00
1.08 + 1.5x + -5x2 = 0.00

Begin completing the square.  Divide all terms by
-5 the coefficient of the squared term: 

Divide each side by '-5'.
-0.216 + -0.3x + x2 = 0.00

Move the constant term to the right:

Add '0.216' to each side of the equation.
-0.216 + -0.3x + 0.216 + x2 = 0.00 + 0.216

Reorder the terms:
-0.216 + 0.216 + -0.3x + x2 = 0.00 + 0.216

Combine like terms: -0.216 + 0.216 = 0.000
0.000 + -0.3x + x2 = 0.00 + 0.216
-0.3x + x2 = 0.00 + 0.216

Combine like terms: 0.00 + 0.216 = 0.216
-0.3x + x2 = 0.216

The x term is -0.3x.  Take half its coefficient (-0.15).
Square it (0.0225) and add it to both sides.

Add '0.0225' to each side of the equation.
-0.3x + 0.0225 + x2 = 0.216 + 0.0225

Reorder the terms:
0.0225 + -0.3x + x2 = 0.216 + 0.0225

Combine like terms: 0.216 + 0.0225 = 0.2385
0.0225 + -0.3x + x2 = 0.2385

Factor a perfect square on the left side:
(x + -0.15)(x + -0.15) = 0.2385

Calculate the square root of the right side: 0.488364618

Break this problem into two subproblems by setting 
(x + -0.15) equal to 0.488364618 and -0.488364618.

Subproblem 1

x + -0.15 = 0.488364618 Simplifying x + -0.15 = 0.488364618 Reorder the terms: -0.15 + x = 0.488364618 Solving -0.15 + x = 0.488364618 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.15' to each side of the equation. -0.15 + 0.15 + x = 0.488364618 + 0.15 Combine like terms: -0.15 + 0.15 = 0.00 0.00 + x = 0.488364618 + 0.15 x = 0.488364618 + 0.15 Combine like terms: 0.488364618 + 0.15 = 0.638364618 x = 0.638364618 Simplifying x = 0.638364618

Subproblem 2

x + -0.15 = -0.488364618 Simplifying x + -0.15 = -0.488364618 Reorder the terms: -0.15 + x = -0.488364618 Solving -0.15 + x = -0.488364618 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.15' to each side of the equation. -0.15 + 0.15 + x = -0.488364618 + 0.15 Combine like terms: -0.15 + 0.15 = 0.00 0.00 + x = -0.488364618 + 0.15 x = -0.488364618 + 0.15 Combine like terms: -0.488364618 + 0.15 = -0.338364618 x = -0.338364618 Simplifying x = -0.338364618

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.638364618, -0.338364618}

See similar equations:

| 5(x-2)=3(x) | | 9y-8y+11=12-2 | | 8-2x=5x+15 | | 3p-6(p-9)+p= | | 8x^2-16x-80=8 | | 180=40+x+(x+16) | | -8+-12=4 | | F(x)=ln(20x) | | x^2+45X+10=0 | | 8+9y=10y | | B+52=21 | | 3/4b=30 | | v=3.14r*rh | | 3c+5=2c-1.5 | | -3+1=4x | | 4c-9=3+4c | | 1/4c=12 | | 4e+3=21 | | 6v^2+12v-52=2 | | 4x^5(7x^5-10x^2+10)= | | 0.6x-7=x-6.16 | | 10m^2-1000=0 | | 3(x-8)+10=-29 | | 8n-3=7n+9 | | 5x+35=180 | | 4x-2(x-9)=32 | | 1/12+7/20= | | 13=3(3n-4)-4n | | x^2+4x-79=9 | | y=75/4 | | -5x=-145 | | 45=15a |

Equations solver categories