SHORT QUESTION
If x + y =12 and xy =32, Find the value of
x² + y^2
Answers
Answered by
0
Answer:
144=x^2+y^2+2xy
144-64=x^2+y^2
80
Answered by
1
Step-by-step explanation:
x+y=12
xy=32
so y=12-x
x(12-x)=32
12x-x^2=32
x^2-12x-32=0
x^2-8x+4x-32=0
x(x-8) +4(x-8) =0
(x-8) (x+8)=0
x=8 or x=-4
8^2+-4^2
64+16
=80
btw thanks for marking me brainliest
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