I have two problems... My teacher said substitution is preffered, but I only seem to make it more complicated. If substitution is not possible, solve regularly. Can you get me started? Thanks!
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Originally Posted by nathan02079 I have two problems... My teacher said substitution is preffered, but I only seem to make it more complicated. If substitution is not possible, solve regularly. Can you get me started? Thanks! This should get you started: 1) Substitute , and you will get a quadratic... 2) Just try squaring both sides, you will see the magic
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