Factorise each of the following algebraic expressions.
(i) p(q - r) + p(q - r)
(ii) (x - 5) + 25(3-5)
(iv) 5(a - 2)2 -2(a - 26)
(u) 5x(x - 5y) – 7y(x - 5y)
(vii) 3p2(x - 1) + 2x(x - 1) (viii) x(y - 1) - y - 1)
(x) a2(x - y) + b2(x - y) + c2(x - y) (xi) -8(p - 3q)3 - 3(p - 3q)2
(xiii) 4p + 4q - ap - (19
(xiv) ap2 + ar2 + bp2 + br2
(xvi) x2 - y2 + x - x2y2
(xvii) ar + br + at + bt
(xix) x2y – xz2 - xy + z2
(xx) mx2 + ny2 + nx2 + my?
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I don't know the answers suru
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