Solve all questions
5. Factorise.
(a) 28x-14xy
(d) 144 - 24x+x²
(g) 16x4 -1
(j) z² +7z-144
(m) 6x² - 13xy + 2y²
(p) 3ax - 6ay - 8by + 4bx
(s) 81xy2 - 9x
(b) 3c2d - 21cd2
(e) x² + 5xy - 24y²
(h) -2x² +3x+2
(k) x2-12x-45
(n) 6xy - 4y+6-9x
(c) 16a² + 88a+ 121
(f) 4(3x-5y)² +12(3x-5y)
(i) (2m+5n)² - 5(2m+5n) - 14
(1) 7x-6-2x²
(0) x² + 49y2-14yx
(r) 125a² - 5b²
(q) 25x² - 36y²
(t) 6y³ - 216y
(u) (x + y)² - (x − y)²
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