Q32 of 116 Page 6

Simplify:

x4 – 2x3 + 3x2 – 4x – x3 + 2x2 – 3x + 4 – (2x3 – 2x2 + 2x – 3x2 + 3x – 3)

= x4 – 3x3 + 5x2 – 7x + 4 – 2x3 + 5x2 – 5x + 3


= x4 – 5x3 + 10x2 – 12x + 7


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30

Simplify:

 31

Simplify:

 1

Write the following squares of binomials as trinomias:

(i)


(ii)


(iii)


(iv)


(v)


(vi)


(vii)


(viii)


(ix)


(x)


(xi)


(xii)

2

Find the product of the following binomials:

(i) (2x + y) (2x + y)


(ii) (a + 2b) (a – 2b)


(iii)


(iv)


(v)


(vi)


(vii)


(viii)