3x^2=-20x+63

Simple and best practice solution for 3x^2=-20x+63 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 3x^2=-20x+63 equation:


Simplifying
3x2 = -20x + 63

Reorder the terms:
3x2 = 63 + -20x

Solving
3x2 = 63 + -20x

Solving for variable 'x'.

Reorder the terms:
-63 + 20x + 3x2 = 63 + -20x + -63 + 20x

Reorder the terms:
-63 + 20x + 3x2 = 63 + -63 + -20x + 20x

Combine like terms: 63 + -63 = 0
-63 + 20x + 3x2 = 0 + -20x + 20x
-63 + 20x + 3x2 = -20x + 20x

Combine like terms: -20x + 20x = 0
-63 + 20x + 3x2 = 0

Factor a trinomial.
(-9 + -1x)(7 + -3x) = 0

Subproblem 1

Set the factor '(-9 + -1x)' equal to zero and attempt to solve: Simplifying -9 + -1x = 0 Solving -9 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + -1x = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -1x = 0 + 9 -1x = 0 + 9 Combine like terms: 0 + 9 = 9 -1x = 9 Divide each side by '-1'. x = -9 Simplifying x = -9

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 = {-9, 2.333333333}

See similar equations:

| 3p+3=2p+4.5 | | 5a-20=160 | | 8x-16=7x+14 | | 24=f-11 | | 0=-7n^2-42n | | -43+10=33+6x | | 5(x+11)=190 | | 9x-6=3-7x | | 7b=182 | | 2s-3s+66=71 | | .18(18)+.02=.06(6+x) | | y=10.15+.33x | | 2x^2-12=-16 | | -21m-8=58 | | 4(45)=2y-45 | | x=2(9)+8 | | 23=6x-x+3 | | x=2(9)-8 | | 5x^2+8x+3=x+1 | | k+12=23 | | (x-(3-i))(x-(3+i))(x-3)=0 | | 10-6y+y+3= | | 202=114-x | | 5v^2=6v | | -5+7m=43-m | | cos(4x)+1=4cos^2(2x) | | 6n+8=10n+4 | | 18=-6w+2(w-3) | | 2ysquared+14y=-19 | | 5a-20=240 | | a+3a+12a=64 | | 3=log(4x^3) |

Equations solver categories