What is the solution of square root of x plus 2 end root minus 15 is equal to negative 3 ?

Add 15 to both sides: √(x + 2) = 12. Squaring gives x + 2 = 144, so x = 142. This value works because √144 − 15 = 12 − 15 = −3, so the solution is x = 142.

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