Alondragonzalesid
Alondragonzalesid
Mathematics
Answered
Whats the answer for this
4b²+20b+25
Sagot :
Logo88id
Logo88id
4b²+20b+25=0
Divide everything by 4
b²+5b+ 6.25=0
use the quadratic formula
x= (-b+ or - √b²-4ac) /2a
x= (-5 + or - √5²-4*1*6.25) /2(1)
x= -5/2 so
in this case, b= -5/2
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