a^2-13a-70=-2

Simple and best practice solution for a^2-13a-70=-2 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 a^2-13a-70=-2 equation:


Simplifying
a2 + -13a + -70 = -2

Reorder the terms:
-70 + -13a + a2 = -2

Solving
-70 + -13a + a2 = -2

Solving for variable 'a'.

Reorder the terms:
-70 + 2 + -13a + a2 = -2 + 2

Combine like terms: -70 + 2 = -68
-68 + -13a + a2 = -2 + 2

Combine like terms: -2 + 2 = 0
-68 + -13a + a2 = 0

Factor a trinomial.
(-4 + -1a)(17 + -1a) = 0

Subproblem 1

Set the factor '(-4 + -1a)' equal to zero and attempt to solve: Simplifying -4 + -1a = 0 Solving -4 + -1a = 0 Move all terms containing a to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -1a = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1a = 0 + 4 -1a = 0 + 4 Combine like terms: 0 + 4 = 4 -1a = 4 Divide each side by '-1'. a = -4 Simplifying a = -4

Subproblem 2

Set the factor '(17 + -1a)' equal to zero and attempt to solve: Simplifying 17 + -1a = 0 Solving 17 + -1a = 0 Move all terms containing a to the left, all other terms to the right. Add '-17' to each side of the equation. 17 + -17 + -1a = 0 + -17 Combine like terms: 17 + -17 = 0 0 + -1a = 0 + -17 -1a = 0 + -17 Combine like terms: 0 + -17 = -17 -1a = -17 Divide each side by '-1'. a = 17 Simplifying a = 17

Solution

a = {-4, 17}

See similar equations:

| S^2+4s+2=0 | | 1x+18=-3 | | 3.08x*2.50y=27.8765 | | a^2-17a+67=-5 | | 4sin(2x)-3cos(2x)=0 | | p^2-12p-13=0 | | 3.08(5)+(10-5)*2.50=y | | -3(x+1)=0 | | 2s^2-9s-35=0 | | 5(n-4)-(7-2n)=6n | | 3.08x+(10-x)*2.50=27.8765 | | 3.08x+10-x*2.50=27.8765 | | -48v=12 | | 4*1-5y=10 | | 8y^2+11y+11=7y^2+18y-1 | | (9-4)(8-8)(-2-5)= | | 4x-32=12 | | 2x+1y=95 | | 13x=12+7x | | 2x+(22-23)=11+2y | | 60x(2x^2-25)=0 | | 1,5=1,2-0,3x | | 2x^2+px-2p^2=0 | | 7(2x+3)-3(2x+1)=10 | | 4x^2-24x+4y^2+12y=19 | | 18x=252 | | -200+40p=1150-50p | | 3x+28=8x-2 | | 5.75+5.75(x-2)=92 | | xy=3y+5 | | 3x+27=6x-9 | | 9y+18=3y+24 |

Equations solver categories