Asked by Mike
Can someone help me solve these problems? Thank you.
[SQRT(2x2 + 5x + 6)]=x
. [SQRT(x + 3)] = 2[SQRT(x)]
[SQRT(2x2 + 5x + 6)]=x
. [SQRT(x + 3)] = 2[SQRT(x)]
Answers
Answered by
Quidditch
[SQRT(2x^2 + 5x +6) = x
square both sides
2x^2 + 5x + 6 = x^2
subtracting x^2 from both sides...
x^2 + 5x + 6 = 0
Factor by inspection or use the binomial theorem to solve for x.
The second problem is similar.
square both sides
2x^2 + 5x + 6 = x^2
subtracting x^2 from both sides...
x^2 + 5x + 6 = 0
Factor by inspection or use the binomial theorem to solve for x.
The second problem is similar.
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