Q9. Factorise:-
a. 2x³– 3x²– 17x + 30
b. 84 - 2r – 2r²
c. 1-64a³ – 12a + 48a²
d. a³-2 √2 b³
e. 2√2a³ +8b³ – 27c³ +18√2abc
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finally I did it..here you are with photo
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