Question

Quadratic Equations
2(x2-8)=11-x2

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Answer 1

Answer:

2(x²-8)=11-x²

= 2x²-16= 11-x²

=2x²+x²=11+16

=3x²=27

x²= 27/3

x²= 9

x=√9

x= 3

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Answer 2

Answer:

4.5

Step-by-step explanation:

2(2x-8)=11-2x

4x-16=11-2x

4x+2x=11+16

6x=27

x=4.5