Solve for v v^2+v-12=0

Math
v2+v-12=0
Factor v2+v-12 using the AC method.
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Consider the form x2+bx+c. Find a pair of integers whose product is c and whose sum is b. In this case, whose product is -12 and whose sum is 1.
-3,4
Write the factored form using these integers.
(v-3)(v+4)=0
(v-3)(v+4)=0
If any individual factor on the left side of the equation is equal to 0, the entire expression will be equal to 0.
v-3=0
v+4=0
Set the first factor equal to 0 and solve.
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Set the first factor equal to 0.
v-3=0
Add 3 to both sides of the equation.
v=3
v=3
Set the next factor equal to 0 and solve.
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Set the next factor equal to 0.
v+4=0
Subtract 4 from both sides of the equation.
v=-4
v=-4
The final solution is all the values that make (v-3)(v+4)=0 true.
v=3,-4
Solve for v v^2+v-12=0

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