Question

100 POINT!

Explain the mistake of this problem.
(the top is the real problem and the bottom 2 lines is them simplifying it.) (I'm pretty sure you're finding out the mistake in them simplifying.

Answer 1

• - 18 - 2√3

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See the correct solution below:

• (2 + 2√3)(3 - 4√3) =
• 6 - 8√3 + 6√3 - 8√9 = The mistake was at this step
• 6 - 2√3 - 8*3 = Also not considered √9 = 3
• 6 - 2√3 - 24 =
• - 18 - 2√3