X² + ( x + 2)² = 290
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Step-by-step explanation:
on solving we get
x^2+x^2+4x+4=290
2x^2+4x-286=0
on dividing by 2
x^2+2x-143=0
x^2+13x-11x-143=0
x(x+13)-11(x+13)=0
(x+13)(x-11)=0
x=(-13),+11
Answered by
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Ans=
x= -13,+11
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