SOLUTION: 5sqrt8 plus sqrt98 - 2sqrt18

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Question 54218: 5sqrt8 plus sqrt98 - 2sqrt18
Found 2 solutions by checkley71, funmath:
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
5SQRT8+SQRT98-2SQRT18 OR 5*2SQRT2+7SQRT2-2*3SQRT2 OR (10+7-6)SQRT2 OR 11SQRT2

Answer by funmath(2933) About Me  (Show Source):
You can put this solution on YOUR website!
You can only combine square roots if the insides equal. Divide the insides as factors involving perfect squares:
5%2Asqrt%288%29%2Bsqrt%2898%29-2%2Asqrt%2818%29
5%2Asqrt%284%29%2Asqrt%282%29%2Bsqrt%2849%29%2Asqrt%282%29-2%2Asqrt%289%29%2Asqrt%282%29
5%2A2%2Asqrt%282%29%2B7%2Asqrt%282%29-2%2A3%2Asqrt%282%29
10%2Asqrt%282%29%2B7%2Asqrt%282%29-6%2Asqrt%282%29
%2810%2B7-6%29%2Asqrt%282%29
highlight%2811%2Asqrt%282%29%29
Happy Calculating!!!