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Practice 10 Algebra (Expansion And Factorisation)

1 Copy and complete
Using the arca of rcctangles, the
diagram alongside shows that
2 Expand : a z(y+a)
3 Expand : a 3- 6z+4)
4 Expand and simplify by collecting like terms : c 3(-4) – 2(z +3)
5 Find, in simplest form, an cxpression for the pcrimeter P of (x+ 1)cm
6 Find, in simplest form, an cxpression for the arca A of : z(z+ 3) + 5(z + 6)