Question

x-2y= 10 and xy=48 then find x
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Answer 1

Answer:

x-2y= 10 and xy=48

• y=48/x
• x-2y=10
• x-2(48/x)=10
• x-96/x=10
• x²-96=10x
• x²-10x-96=0
• x²-16x-6x-96=0
• x(x-16)-6(x-16)=0
• (x-6)(x-16)=0
• x=6,16