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Reika [66]
3 years ago
14

Factorise each of the following expressions a) x2 + 5x + 6 d) z2 + 8z + 12

Mathematics
1 answer:
CaHeK987 [17]3 years ago
3 0

Answer:

a)x2+5x+6

x2+(3+2)x+6

x2+3x+2x+6

x(x+3)+2(x+3)

(x+3)(x+2)

b)z2+8z+12

z2+(6+2)z+12

z2+6z+2z+12

z(z+6)+2(z+6)

(z+6)(z+2)

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