Mathematics
chrisgar
12

square root of X+15 plus square root of X = 15. By observation, X=49 but when I square terms to remove radicals I don't get the desired result???

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(1) Answers
kay16900

√x+15 + √x=15 √(x+15)=15-√x x+15=225-30√x +x 30√x=210 √x=7 x=49 ☺☺☺☺

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