Question

please help fast i will give brainliest Solve the equation using inverse operations. Check your solutions. In your final answer, include all of your work.


5 - 2x^2 = -15 find the value of x

Answer 1

5 - 2x² = - 15

=> -2x² = - 15 - 5

=> -2x² = - 20

=> 2x² = 20

=> x² = 20/2

=> x² = 10

=> x = √10

Hence the solution for x is ±√10

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Answer 2

Answer:

5-2x^2=-15

4x^2=-20

4x^2+20=0

4(x^2+5)

x^2+5=0

x=

$\sqrt{?} 5$