SOLUTION: T^2 - 2T=15
answer (-3,5)
need a full break down on why the answer is -3,5
Algebra.Com
Question 193722: T^2 - 2T=15
answer (-3,5)
need a full break down on why the answer is -3,5
Found 2 solutions by Mathtut, Earlsdon:
Answer by Mathtut(3670) (Show Source): You can put this solution on YOUR website!
:
factored
:
T-5=0--->T=5
:
T+3=0--->T=-3
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Well...since you asked so nicely, here it is!
First, subtract 15 from both sides of the equation.
Now factor the trinomial.
Next, apply the zero product rule.
or
If then
If then
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