4. Factorise the following:
(i) 2x2 +7x+6 (ii) 3x² - 17x+20 (iii) 6x² - 5x-14 (iv) 4x2 +12xy+5y
(v) 4x4 - 5x² +1.
5. Factorise the following:
(i) x8-y8 (ii) ax4- ax12 (iii) xx2 +1 (iv) x4 +5x2 +9.
6. Factorise x4 + 4y Use this to prove that 20114 +64 is a composite
number. pls answer for this question guys
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