If (a-b) = 7; ab = 68.75;then b=?
Answers
Answered by
0
Answer:
-5.5 ;-12.5
Step-by-step explanation:
a-b=7;a =7+b
(7+b)b=68.75
b^2+7b-68.75=0
Answered by
0
Answer:
-5.5;-12.5
Step-by-step explanation:
a-b=7; a=7+b
(7+b) b=68.75
b^2+7b-68.75=0
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