9x^2+49-42x=0

Simple and best practice solution for 9x^2+49-42x=0 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 9x^2+49-42x=0 equation:


Simplifying
9x2 + 49 + -42x = 0

Reorder the terms:
49 + -42x + 9x2 = 0

Solving
49 + -42x + 9x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(7 + -3x)(7 + -3x) = 0

Subproblem 1

Set the factor '(7 + -3x)' equal to zero and attempt to solve: Simplifying 7 + -3x = 0 Solving 7 + -3x = 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 + -3x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -3x = 0 + -7 -3x = 0 + -7 Combine like terms: 0 + -7 = -7 -3x = -7 Divide each side by '-3'. x = 2.333333333 Simplifying x = 2.333333333

Subproblem 2

Set the factor '(7 + -3x)' equal to zero and attempt to solve: Simplifying 7 + -3x = 0 Solving 7 + -3x = 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 + -3x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -3x = 0 + -7 -3x = 0 + -7 Combine like terms: 0 + -7 = -7 -3x = -7 Divide each side by '-3'. x = 2.333333333 Simplifying x = 2.333333333

Solution

x = {2.333333333, 2.333333333}

See similar equations:

| -3/5w=21 | | 5t+10(t+3)+25(t+10)=800 | | 14-3m=4m | | 90-y=201 | | 43=7-3m | | -8=w+2 | | 30x-90=120 | | 7(10-3w)=5(16-4w) | | x(u+3)-x=9+x(u-x) | | 7=3x^2+6x-2 | | 0.05x+0.09(x+400)=120 | | 4t-2(t+2)=0 | | 41n(x+6)=20 | | 2(x-9)=8x+32 | | 10x(3)= | | m*x^2-m^2=0 | | x+1.78=3.49 | | u(x+1)=3x+11 | | -4=2+2w | | 4x^2-3=142 | | 4(a+4)=5(a-3) | | 32x+64=11-(x-2) | | 4y^2-4y+3=0 | | 5(t+1)+2(4t)=-60 | | x/8^3-3=7 | | x(x+3)=14 | | x^2-5x-12=x+4 | | 0.2y+0.4(40-y)=10 | | W=M+Mbf | | 105-u=254 | | 35x-22x+6-18x=14-30x+32 | | 27-4=6k+8 |

Equations solver categories