-7x+x^2=30

Simple and best practice solution for -7x+x^2=30 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 -7x+x^2=30 equation:


Simplifying
-7x + x2 = 30

Solving
-7x + x2 = 30

Solving for variable 'x'.

Reorder the terms:
-30 + -7x + x2 = 30 + -30

Combine like terms: 30 + -30 = 0
-30 + -7x + x2 = 0

Factor a trinomial.
(-3 + -1x)(10 + -1x) = 0

Subproblem 1

Set the factor '(-3 + -1x)' equal to zero and attempt to solve: Simplifying -3 + -1x = 0 Solving -3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -1x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1x = 0 + 3 -1x = 0 + 3 Combine like terms: 0 + 3 = 3 -1x = 3 Divide each side by '-1'. x = -3 Simplifying x = -3

Subproblem 2

Set the factor '(10 + -1x)' equal to zero and attempt to solve: Simplifying 10 + -1x = 0 Solving 10 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + -1x = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -1x = 0 + -10 -1x = 0 + -10 Combine like terms: 0 + -10 = -10 -1x = -10 Divide each side by '-1'. x = 10 Simplifying x = 10

Solution

x = {-3, 10}

See similar equations:

| 5(2l+7)=45 | | -5a+21+2a=7a-3a | | 16x-9=13x-15 | | 8p+5(p+3)=3(7p-1) | | x^2+220+32x= | | 4+66x=-24+28 | | 3(a-3)=63 | | 1000+x^2+65= | | -x+5x+6=8x+30 | | -280+x^2+-33x= | | 32+12x+x^2= | | 7o+9o+0=99 | | 13+5=-3(4x-6) | | x^2-45x+450= | | 2m*m+2m*3= | | 6x+999x+x+x+x+x=20000 | | 2(3x+7)=-19+27 | | 5b-1=8 | | 2(3x+7)=-9+27 | | 3b+2b-1=8 | | 6.4x-1.4=5.0 | | 44.5-7x=5x-3.5 | | 18x^2+7-[8(x^2-6)+9]= | | 4q-4(2q+3)=2(2+3q)-5q | | -10=3a+3 | | 2x+20=4x+24 | | (3-w)(3w+7)=0 | | 13+12n-17-2n-8n= | | 55x+21+17=165 | | 2cosx(sinx)+sinx=0 | | 30=(-6a) | | -x+6=-18 |

Equations solver categories