28+10a-2a^2=0

Simple and best practice solution for 28+10a-2a^2=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 28+10a-2a^2=0 equation:


Simplifying
28 + 10a + -2a2 = 0

Solving
28 + 10a + -2a2 = 0

Solving for variable 'a'.

Factor out the Greatest Common Factor (GCF), '2'.
2(14 + 5a + -1a2) = 0

Factor a trinomial.
2((7 + -1a)(2 + a)) = 0

Ignore the factor 2.

Subproblem 1

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

Subproblem 2

Set the factor '(2 + a)' equal to zero and attempt to solve: Simplifying 2 + a = 0 Solving 2 + a = 0 Move all terms containing a to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + a = 0 + -2 Combine like terms: 2 + -2 = 0 0 + a = 0 + -2 a = 0 + -2 Combine like terms: 0 + -2 = -2 a = -2 Simplifying a = -2

Solution

a = {7, -2}

See similar equations:

| 4-x^2=mod(2x-1) | | x^2+12x-24=8x-3 | | 42L+18L^2-2L^3=0 | | x^2-7x-8=10 | | 15y-12+12y=10 | | 2xcos(x)=0.8 | | 2x^2-10=-4x | | 28+(x+79)=245 | | 2(3.5-.5y)+y=7 | | 6x+8-10x=4x-10 | | h(t)=-16t^2+24t+72 | | x^2+y^2+10x-5y-32=0 | | (+8)+(-5)= | | 2b+12=3b+3 | | (2+x)(7-3x)=(5-4x)(13-x) | | 5y(-2)=2y-(-2) | | 2b+12=3b-3 | | ln(x)+ln(c)=ln(4y) | | (x+1)(x-1)+5x-3=(x+3)(x-3)-5(8x) | | 5y(-2)=2y | | 14.5-m=3.7 | | 5x^2-8x+4=1 | | xlog(x)=-1.0950 | | -4x-2(1)=-12 | | 18L-4L^2=0 | | 5(w-6)-4=-4(-5w+5)-9w | | 9y-11=10x+5 | | 3x^2-2x+4+x^3=0 | | (-16x^2)+25=0 | | f(-3)=7x-5 | | Y=23+2X | | 15-6x=-57 |

Equations solver categories