a+b=26
ab=-192
=>a=(26-b)
=>ab=(26-b)b=-192
=>26b-b2=-192
=>26b-b2+192=0
=>b2-13b-96=0
=>Using quadratic formula:
=>b=>a.
Or,
a+b=26
ab=-192
=>a=-192/b
=>(-192/b)+b=26
=>(Same equation)
=> Quadratic formula
=>b=>a
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