Question
Factorize the following:(a) $36 x^{3} y^{2}-8 x^{2} y$(e) $x^{2}+10 x+24$(b) $x^{3}+3 x^{2} y+2 x y^{2}+6 y^{3}$(f) $x^{2}-10 x+16$(c) $4 x^{2}+12 x+9$(g) $x^{2}-5 x-36$(d) $(3 x+4 y)^{2}-(2 x-y)^{2}$(h) $6 x^{2}+5 x-6$
Step 1
Step 1: For part (a), we can factor out $4x^{2}y$ from both terms to get: \[36x^{3}y^{2} - 8x^{2}y = 4x^{2}y(9xy - 2)\] Show more…
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Factorize the following cubics as completely as possible: (a) $x^{3}+6 x^{2}+5 x-12$ (b) $2 x^{3}+9 x^{2}-11 x-30$ (c) $3 x^{3}-4 x^{2}-28 x-16$ (d) $3 x^{3}-x^{2}+x+5$ (e) $6 x^{3}-5 x^{2}-34 x+40$ (f) $4 x^{3}-39 x+35$ (g) $2 x^{3}-x^{2}-10 x+8$ (h) $15 x^{3}+53 x^{2}+8 x-48$ (i) $x^{3}+x^{2}-2 x-8$ (i) $6 x^{3}+37 x^{2}+67 x+30$
Expressions and equations
Further problems
Factorize the following: (a) $15 x^{2} y^{2}+20 x y^{3}$ (b) $14 a^{3} b-12 a^{2} b^{2}$ (c) $2 x^{2}+3 x y-10 x-15 y$ (d) $4 x y-7 y^{2}-12 x+21 y$ (e) $15 x^{2}+8 y+20 x y+6 x$ (f) $6 x y-20+15 x-8 y$ (g) $9 x^{2}+24 x y+16 y^{2}$ (h) $16 x^{2}-40 x y+25 y^{2}$ (i) $25 x^{3} y^{4}-16 x y^{2}$ (j) $(2 x+5 y)^{2}-(x-3 y)^{2}$
Programme F.2 Introduction to algebra
Further problems F.2
Factorize the following: (a) $15 x^{2} y^{2}+20 x y^{3}$ (b) $14 a^{3} b-12 a^{2} b^{2}$ (c) $2 x^{2}+3 x y-10 x-15 y$ (d) $4 x y-7 y^{2}-12 x+21 y$ (e) $15 x^{2}+8 y+20 x y+6 x$ (f) $6 x y-20+15 x-8 y$ (g) $9 x^{2}+24 x y+16 y^{2}$ (h) $16 x^{2}-40 x y+25 y^{7}$ (i) $25 x^{3} y^{4}-16 x y^{2}$ (i) $(2 x+5 y)^{2}-(x-3 y)^{2}$ 8 Find simple factors of the following where possible: (a) $5 x^{2}+13 x+6$ (b) $2 x^{2}-11 x+12$ (c) $6 x^{2}-5 x-6$ (d) $3 x^{2}+7 x-4$ (e) $5 x^{2}-19 x+12$ (f) $4 x^{2}-6 x+9$
Introduction to algebra
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