SOLUTION: How do I solve for a? a^2-11a+28

Question 23890: How do I solve for a?
a^2-11a+28
Found 2 solutions by Earlsdon, elima:
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Before you can "solve" this, it needs to be an "equation" rather than an "expression". Set your expression = 0 and try solving by factoring.
Factor.
Apply the zero product principle.
and/or
If then
If then

Answer by elima(1433) (Show Source): You can put this solution on YOUR website!
a^2-11a+28
First of all factor;
(a-7)(a-4)
Now solve each side fora;
a-7=0
a=7
a-4=0
a=4
So the answerwould be;
a=7 and a=4
=)
RELATED QUESTIONS
a^2-11a+28=0 (answered by mathitutor)
Please help me solve: (a^2 - 10a + 21) / (a^2 - 11a +... (answered by ankor@dixie-net.com)
how do i solve... (answered by stanbon,checkley77)
How do I find a? 6a(11a+5)=0 I use distrib prop and stuck. 66a^2 +... (answered by math-vortex)
factor:... (answered by checkley71)
Simplify the polynomial by factoring out the Greatest Common Factor -11a^2b^2 + 3ab^2 (answered by stanbon)
Solve... (answered by MathLover1)
factor completly... (answered by stanbon,rmromero)
11a-16-a (answered by Alan3354)