x+y=-6 x×y=8 find x and y
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Step-by-step explanation:
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Step-by-step explanation:
x = - 6 - y ( from equation 1 in question )
x = 8/y ( from equation 2 in question )
equating rhs of both values of x we get
- 6 - y = 8/y
=> - 6y - y² = 8
=> y² + 6y + 8 = 0
=> y = - 4 ( or ) y = - 2
case 1 - if y = - 4
applying in equation 1 we get
x = - 6 - y
= - 6 - ( - 4 )
= - 6 + 4
= - 2
case 2 - if y = - 2
x = - 6 - y
x = - 6 - ( - 2 )
= - 6 + 2
= - 4
therefore the values of x and y are - 2 and - 4 ( or ) - 4 and - 2 respectively
plsss mark brainliest
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