4X^2-28X+49=51

Simple and best practice solution for 4X^2-28X+49=51 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^2-28X+49=51 equation:


Simplifying
4X2 + -28X + 49 = 51

Reorder the terms:
49 + -28X + 4X2 = 51

Solving
49 + -28X + 4X2 = 51

Solving for variable 'X'.

Reorder the terms:
49 + -51 + -28X + 4X2 = 51 + -51

Combine like terms: 49 + -51 = -2
-2 + -28X + 4X2 = 51 + -51

Combine like terms: 51 + -51 = 0
-2 + -28X + 4X2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-1 + -14X + 2X2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-1 + -14X + 2X2)' equal to zero and attempt to solve: Simplifying -1 + -14X + 2X2 = 0 Solving -1 + -14X + 2X2 = 0 Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. -0.5 + -7X + X2 = 0 Move the constant term to the right: Add '0.5' to each side of the equation. -0.5 + -7X + 0.5 + X2 = 0 + 0.5 Reorder the terms: -0.5 + 0.5 + -7X + X2 = 0 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + -7X + X2 = 0 + 0.5 -7X + X2 = 0 + 0.5 Combine like terms: 0 + 0.5 = 0.5 -7X + X2 = 0.5 The X term is -7X. Take half its coefficient (-3.5). Square it (12.25) and add it to both sides. Add '12.25' to each side of the equation. -7X + 12.25 + X2 = 0.5 + 12.25 Reorder the terms: 12.25 + -7X + X2 = 0.5 + 12.25 Combine like terms: 0.5 + 12.25 = 12.75 12.25 + -7X + X2 = 12.75 Factor a perfect square on the left side: (X + -3.5)(X + -3.5) = 12.75 Calculate the square root of the right side: 3.570714214 Break this problem into two subproblems by setting (X + -3.5) equal to 3.570714214 and -3.570714214.

Subproblem 1

X + -3.5 = 3.570714214 Simplifying X + -3.5 = 3.570714214 Reorder the terms: -3.5 + X = 3.570714214 Solving -3.5 + X = 3.570714214 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '3.5' to each side of the equation. -3.5 + 3.5 + X = 3.570714214 + 3.5 Combine like terms: -3.5 + 3.5 = 0.0 0.0 + X = 3.570714214 + 3.5 X = 3.570714214 + 3.5 Combine like terms: 3.570714214 + 3.5 = 7.070714214 X = 7.070714214 Simplifying X = 7.070714214

Subproblem 2

X + -3.5 = -3.570714214 Simplifying X + -3.5 = -3.570714214 Reorder the terms: -3.5 + X = -3.570714214 Solving -3.5 + X = -3.570714214 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '3.5' to each side of the equation. -3.5 + 3.5 + X = -3.570714214 + 3.5 Combine like terms: -3.5 + 3.5 = 0.0 0.0 + X = -3.570714214 + 3.5 X = -3.570714214 + 3.5 Combine like terms: -3.570714214 + 3.5 = -0.070714214 X = -0.070714214 Simplifying X = -0.070714214

Solution

The solution to the problem is based on the solutions from the subproblems. X = {7.070714214, -0.070714214}

Solution

X = {7.070714214, -0.070714214}

See similar equations:

| 2y=x-14 | | (a+b)2=(a)2+(b)2 | | 13-8x=27 | | 11(r+10)=11(1+10r) | | 3-2x=133x | | 5x+2x=1-3 | | 4n-10=4n-100 | | 4y-10=y(y)-62 | | Z+35=12z-1 | | x=4y+14 | | 7x+-4=3x-8 | | 15h= | | 50k+80=40x+110 | | 4a+4b+2-2a+5b-1=0 | | X+35=12z-1 | | y(y)-62+2y-5=0 | | a^2+3a-27=0 | | y(y)-62+2y-5=180 | | -3x(3x+15)-(10+x)=35 | | 6(x+2)+44=-2x | | 0(x+1)=3x | | 8v^2=0 | | 50x+80=4x+110 | | 27x^2-9x= | | 6x+3x-174=87 | | 9xn+4=-27 | | 100=10(x-10) | | 3m^2-23m-8=0 | | y(y)-62=2y-5 | | 12a+3=10a-7 | | 30v^4w^6+24vw^4x^2=0 | | 20y=6y |

Equations solver categories