Asked by maria
solve each equation. check for extraneous solutions.
sqrt(2x+1)+sqrt(2x+6)=5
please show work!!!!!
sqrt(2x+1)+sqrt(2x+6)=5
please show work!!!!!
Answers
Answered by
Steve
I have an idea. Why don't you show <u>your</u> work?
To start, square both sides, then collect terms and square again.
√(2x+1) + √(2x+6) = 5
(2x+1) + 2√(4x^2+14x+12) + (2x+6) = 25
√(4x^2+14x+12) = 9-2x
. . .
To start, square both sides, then collect terms and square again.
√(2x+1) + √(2x+6) = 5
(2x+1) + 2√(4x^2+14x+12) + (2x+6) = 25
√(4x^2+14x+12) = 9-2x
. . .
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