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Mathematics
Kadyn Bowen
2 October, 18:26
Whats the answer for this
4b²+20b+25
+5
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1
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Jonathon Shepherd
2 October, 21:24
0
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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