Given The Equation P = Q Squared + 5q +2. Find The Values Of Q Corresponding To P = -2.?
Answer:
The equation given is:
P=q2+5q+2
We are given that
P=-2
So plugging in the values
-2=q2+5q+2
Shifting -2
q2+5q+2+2=0
adding
q2+5q+4=0
factorizing
q2+4q+q+4=0
taking common
q(q+4)+1(q+4)=0
which is
(q+4)(q+1)=0
so
q+4=0 or q+1=0
q=-4 or q=-1
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