confusing problem please help with alegbra?

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2007-11-08 15:49:46 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

Think in terms of i, which is √-1 or -1 = i².

Therefore √-32 - √-8 = √(32 x i²) - √(8 x i²) = 2 i √2, or d. from the choices provided.

XR

2007-11-08 16:06:28 · answer #1 · answered by XReader 5 · 0⤊ 0⤋

2007-11-08 15:58:51 · answer #2 · answered by Gus 2 · 0⤊ 0⤋