If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 4x2 + -21 = -8x Reorder the terms: -21 + 4x2 = -8x Solving -21 + 4x2 = -8x Solving for variable 'x'. Reorder the terms: -21 + 8x + 4x2 = -8x + 8x Combine like terms: -8x + 8x = 0 -21 + 8x + 4x2 = 0 Factor a trinomial. (-7 + -2x)(3 + -2x) = 0Subproblem 1
Set the factor '(-7 + -2x)' equal to zero and attempt to solve: Simplifying -7 + -2x = 0 Solving -7 + -2x = 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 + -2x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -2x = 0 + 7 -2x = 0 + 7 Combine like terms: 0 + 7 = 7 -2x = 7 Divide each side by '-2'. x = -3.5 Simplifying x = -3.5Subproblem 2
Set the factor '(3 + -2x)' equal to zero and attempt to solve: Simplifying 3 + -2x = 0 Solving 3 + -2x = 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 + -2x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -2x = 0 + -3 -2x = 0 + -3 Combine like terms: 0 + -3 = -3 -2x = -3 Divide each side by '-2'. x = 1.5 Simplifying x = 1.5Solution
x = {-3.5, 1.5}
| s/2-2=1 | | 4sin^2-5=-4 | | x+9.01=-12.6 | | 14x+1=21 | | 10r^2-20r=30 | | 5+2c=-3 | | 7v^2+54v=81 | | 5(5/3) | | -3b^2=-225 | | u/11=7/13 | | 9b^2+15b-4=0 | | 12-3x+12=9 | | n^2+16n+29=-10n | | 4x+20=-x | | 7=3+2u | | 12+2n=-4 | | 3(x+2)-8=5(x-4)+4 | | 5(x+4)+13=4(x+5) | | 4+13=n-8 | | 14m=4 | | 18=4u-2 | | 9n^2=882 | | 13n-16+6n+7n+12=360 | | -2x+10=3x+15 | | 5b^2=500 | | 3=1+2r | | 4a-(9-3a)=8a-1 | | 3h-8=5 | | 14+7n=-4+4n | | 2-2(1-8v)=-24-8v | | 14/2/3*5/1/3 | | -7(7-5x)-4x=-24+6x |