emmalea2020
emmalea2020
20-02-2017
Mathematics
contestada
Factor the polynomial 25p squared - 144
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Аноним
Аноним
20-02-2017
this the difference of 2 squares
take the square root of each and place in the 2 sets of brackets as below:-
25p^2 - 144 = (5p + 12 )(5p - 12)
one bracket has a + and the other has a - sign
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