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OpenStudy (anonymous):
Factor completely: -5k^2 + 20k - 30. Thank you.
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Parth (parthkohli):
\(\Large \color{purple}{\rightarrow -5(k^2 - 4k + 6) }\) First method was this.
Parth (parthkohli):
The second one is by quadratic expression grouping.
OpenStudy (anonymous):
Thank you the first one is correct. :D
Parth (parthkohli):
yw xD
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