5x^2+49=42x

Simple and best practice solution for 5x^2+49=42x 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 5x^2+49=42x equation:


Simplifying
5x2 + 49 = 42x

Reorder the terms:
49 + 5x2 = 42x

Solving
49 + 5x2 = 42x

Solving for variable 'x'.

Reorder the terms:
49 + -42x + 5x2 = 42x + -42x

Combine like terms: 42x + -42x = 0
49 + -42x + 5x2 = 0

Factor a trinomial.
(7 + -5x)(7 + -1x) = 0

Subproblem 1

Set the factor '(7 + -5x)' equal to zero and attempt to solve: Simplifying 7 + -5x = 0 Solving 7 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -5x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -5x = 0 + -7 -5x = 0 + -7 Combine like terms: 0 + -7 = -7 -5x = -7 Divide each side by '-5'. x = 1.4 Simplifying x = 1.4

Subproblem 2

Set the factor '(7 + -1x)' equal to zero and attempt to solve: Simplifying 7 + -1x = 0 Solving 7 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -1x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1x = 0 + -7 -1x = 0 + -7 Combine like terms: 0 + -7 = -7 -1x = -7 Divide each side by '-1'. x = 7 Simplifying x = 7

Solution

x = {1.4, 7}

See similar equations:

| -16+2p=-24+13p | | x-2y-z=1 | | -50x+-20y=13 | | Y+60= | | log(8-t)=0.3 | | 2x^2-18x=6 | | 4(3x+2)=12x-10 | | 2X=7Y+22 | | (-5x+1)=9x-5 | | ln(x)-1=0 | | 4x^2-7x+16=4x+9 | | 2bc+5cb= | | (-5a+1)=9x-5 | | 13x+4x=17-116 | | log(8-t)+log(8+t)=0.3 | | 5x+400-6x=850 | | 7a-b-4x=3b+5x-2a | | c=12n+150 | | log(x+1)+log(x-2)=1 | | X+8Y=61 | | 7+42x=21x+10 | | 10x+1(66-x)=217 | | -10x^2-3x-3=0 | | 4+55x=44x+6 | | 4x-2+2x+15=55 | | 10x+1(64-x)=217 | | -2+2x=-6+12x | | 31-3x=10-10x | | 3x+9=-26-2x | | 6=2x-3x+9 | | 5y^2+10y=0 | | y^2dx=(x^3-xy)dy |

Equations solver categories