-4.9x^2+9.8x=3.675

Simple and best practice solution for -4.9x^2+9.8x=3.675 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 -4.9x^2+9.8x=3.675 equation:


Simplifying
-4.9x2 + 9.8x = 3.675

Reorder the terms:
9.8x + -4.9x2 = 3.675

Solving
9.8x + -4.9x2 = 3.675

Solving for variable 'x'.

Reorder the terms:
-3.675 + 9.8x + -4.9x2 = 3.675 + -3.675

Combine like terms: 3.675 + -3.675 = 0.000
-3.675 + 9.8x + -4.9x2 = 0.000

Begin completing the square.  Divide all terms by
-4.9 the coefficient of the squared term: 

Divide each side by '-4.9'.
0.75 + -2x + x2 = 0.00

Move the constant term to the right:

Add '-0.75' to each side of the equation.
0.75 + -2x + -0.75 + x2 = 0.00 + -0.75

Reorder the terms:
0.75 + -0.75 + -2x + x2 = 0.00 + -0.75

Combine like terms: 0.75 + -0.75 = 0.00
0.00 + -2x + x2 = 0.00 + -0.75
-2x + x2 = 0.00 + -0.75

Combine like terms: 0.00 + -0.75 = -0.75
-2x + x2 = -0.75

The x term is -2x.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2x + 1 + x2 = -0.75 + 1

Reorder the terms:
1 + -2x + x2 = -0.75 + 1

Combine like terms: -0.75 + 1 = 0.25
1 + -2x + x2 = 0.25

Factor a perfect square on the left side:
(x + -1)(x + -1) = 0.25

Calculate the square root of the right side: 0.5

Break this problem into two subproblems by setting 
(x + -1) equal to 0.5 and -0.5.

Subproblem 1

x + -1 = 0.5 Simplifying x + -1 = 0.5 Reorder the terms: -1 + x = 0.5 Solving -1 + x = 0.5 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = 0.5 + 1 Combine like terms: -1 + 1 = 0 0 + x = 0.5 + 1 x = 0.5 + 1 Combine like terms: 0.5 + 1 = 1.5 x = 1.5 Simplifying x = 1.5

Subproblem 2

x + -1 = -0.5 Simplifying x + -1 = -0.5 Reorder the terms: -1 + x = -0.5 Solving -1 + x = -0.5 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = -0.5 + 1 Combine like terms: -1 + 1 = 0 0 + x = -0.5 + 1 x = -0.5 + 1 Combine like terms: -0.5 + 1 = 0.5 x = 0.5 Simplifying x = 0.5

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.5, 0.5}

See similar equations:

| 7x+2=6-(7x-2) | | v^2-3v+4=0 | | 28=-2y | | 36-5x=7x+48 | | 4w+11=2w-1 | | 8x+3y=95 | | 9y=10x+4 | | -4.9x^2+9.8x=-3 | | 3a+(-2)=5 | | -x+35=4x | | 27.50x-23.25x=17 | | 3r^2+12r-1=0 | | 12x=5y+30 | | 13x=351 | | 3x+5y-5-2x+y-2= | | 2x+49=5(3x+5)-2 | | -24=6u | | 2(x-2)=-x-16 | | 10=6-m | | 2x-23=5(x-1) | | 2(5x-4)=112 | | -10x-13=-2x+27 | | v^2-4v-10=0 | | 2(7+5x)=74 | | -4(5x+4)=144 | | 6x+4x+7=27 | | -6(2x+1)=-126 | | -12y=18-4x | | -2(-7+6x)=-82 | | x+2=x-6 | | 2x-11=5(2x+1) | | 2y-2=3y-6 |

Equations solver categories