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The solution to 2x2 – 11 = 87 is
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The solution to 2x2 – 11 = 87 is

User Sidneydobber
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2x^2 - 11 = 87
2x^2 = 87 + 11 = 98
x^2 = 98/2 = 49
x = sqrt (49) = + or - 7
User Theveloper
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The answer will be A. 7 or -7.

User Arosha
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