if(x+a) is a factor of 2x^2+2ax+5x+10 find a
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If x-a is a factor then
x +a=0
x= -a
now, p (x)= 0
next part is in attachments
x +a=0
x= -a
now, p (x)= 0
next part is in attachments
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rishabhgiri:
thanks a lot
Wlcm
Answered by
1
Heyaa!!!!
if x+ a is factor of 2x^2+2ax+5x+10 then
x+a=0
then,x=-a
now,
2×-a^2-2a^2-5a+10=0
2a^2-2a^2-5a=-10
-5a=-10
a=2
so,value of a is 2
if x+ a is factor of 2x^2+2ax+5x+10 then
x+a=0
then,x=-a
now,
2×-a^2-2a^2-5a+10=0
2a^2-2a^2-5a=-10
-5a=-10
a=2
so,value of a is 2
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