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Question
(11)
(iii) (5a - 7) (5a - 7)
@) (1.2m - 0.3) (1.2m+0.3)
(vii) (6y+7) (-6y+7)
(iv) (3p - 2) ( 3p-2 )
(vi) (x + y) (x”-y)
(viii) (70 - 96) (7a - 96)
2. Use the identity (x + a) (x + b) = x² + (a + b) x + ab to find the following
products:
(i) (x + 1)(x + 2)
(ii) (3x + 5), +1)
iii (4x - 5)(4x - 1)
(10) (3a + 5)(3a - 8)
♡ (xyz - 1)(xyz - 2)
Find the following squares by using the identities.
(1) (b -7)(ii) (xy +32) (ii) (6m²-5n)? (iv)(3 x + y)"
4. Simplify
- 1212
O (2n + 5)2 – (2n - 5)
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Use the identity (x+a)(x+b)=x2+(a+b)x+ab to find following products. (i) (x+3)(x+7) (ii) (4x+5)(4x+1) (iii) (4x−5)(4x−1) (iv) (4x+5)(4x−1) (v) (2x+5y)(2x+3y) (vi) (2a2+9)(2a2+5) (vii) (xyz−4)(xyz−2)
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Use the identity (x+a)(x+b)=x2+(a+b)x+ab to find the following product: (i) (x+3)(x+7) (ii) (4x+5)(4x+1)