## Emily778 Group Title what is the solution to x= sqrt-x+6 ? 7 months ago 7 months ago

1. ehuman Group Title

this? |dw:1388985786959:dw|

2. Timeless Group Title

$\huge x = \sqrt{-x+6}$ square both sides. $\huge x^2 = -x +6$ solve as a quadratic $\huge x^2 + x - 6 = 0$

3. kc_kennylau Group Title

Remember to check for extraneous solutions :D

4. Emily778 Group Title

what next?

5. kc_kennylau Group Title
6. kc_kennylau Group Title
7. kc_kennylau Group Title
8. Timeless Group Title

Use the quadratic formula or just factor: $\huge (x+3)(x-2) = 0$ $\huge x = -3 , x = 2$ Plug them in back to the original equation to confirm if they are both correct.