sum of twice a number and 6 is 28 in eqauation form
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4
Answer:
......2x+6=28......
Answered by
0
Answer:
We know ,
(a+b)2=a2 +b2 +2ab
36=28+2ab
8=2ab
ab=4
As , a+b=6
a+4a=6
a2+4=6a
a2−6a+4=0
a=−(−6)±36−16√2
a=−(−6)±20√2
a=6±25√2
a=3±5√1
a=3+5–√,3−5–√
Therefore,
the two numbers are , 3+5–√,3−5–√
Hope this answer helps you … Have a great day ahead !!!
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