jeanieb
21.07.2019 •
Mathematics
Factor the expression. 3r2 – 75 (3r –5)(r + 5) (3r +5)(r – 5) 3(r – 5)(r + 5) 3(r – 5)(r – 5)
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Ответ:
factor 3r^2-75
you would move the 3 to the outside of the parenthesis
then you have 5*5 = 25 and multiply that by the 3 to get the 75
3(r-5)(r+5)
Ответ:
it should be correct, sorry if i'm wrong. hope this helps!