(x2- y2)2 + 4x2y2(b) (0.5p -– 1.5q)2 – (0.5p – 1.5q)2 +p2q2(c) 39n3(50n2 – 98 ) ÷ 26n2(5n – 7)(d) 44(p4 – 5p3 – 24p2) ÷ 11p(p – 8)(e) 9p²q² (3z – 12) ÷ 27pq(z – 4)(f) (4x2 – 100) ÷ 6(x + 5)

a) b) none of thesec) d)25a −2 4b2(a + b)2a −2 b2(a − b)23. (5-p)(5-p) is of the forma) b) none of thesec) d)(a + b)2(a − b)(a + b) (a − b)24. is of the forma) none of these b)c) d)(3x + 5y)(3x + 5y)3x −2 5y2(3x − 5y)2(3x + 5y)25. is of the forma) b)c) d) none of these(a − 5)(2a − 9)(x + a)(x + b) (a + b)(a − b)(a + b)26. is of the forma) none of these b)c) d)(4 − a)(4 − b )(a − b)2(a + b)2(x + a)(x + b)7. is of the forma) b)c) d)8a +3 64b3(a + b)3a +3 b3a −3 b3(a − b)38. can be calculated easily usinga) b)c) d) none of these2253(a + b)2(a + b)3a +3 b39. is the expansion ofa) b)c) none of these d)(a + 2ab + b2 2)(a + b)2(a + b)3(a − b)210. is the expansion ofa) b)c) d)(a − b) +3 3ab (a − b)(a + b3 3) (a − b)3(a − b3 3) (a + b)311. (x - y ) × (x + y ) = ______a) 2x + 2y b) 2xc) x + y d) x - y2 2 2 22 2 44 4 4 412. (p - q ) =a) p +2p q +q b) p -2p q +qc) p -2p q +q2 2 24 2 2 4 2 2 2 24 2 2 413. (5x+y)(-5x+y)a) 25x + 10xy + y b) -y - 25xc) 25x - y d) y - 25x2 2 2 22 2 2 214.a) b)c)(2x + 5) −2(2x − 5)240 + x 40 − x40x15. 105 95 =a) 9476 b) 9975c) 9875

Identify terms and their coefficients from the following expressions:(i) 6x2y2 – 9x2y2z2+ 𝐳𝟐𝟒(ii) 6.1x – 5.9xy + 2.3y

1.    (x+2) (x2-4x+3)__              2.    (x-1) ( x2-8x+7)__              3.    (x-3y) ( x2-5xy+6y2)__              4.    (x+8) (x-1)_                5.    (2m+3n) (4m-5n)__              6.    (a+6) (a-5)_               7.    (x+4) (x-2)__             8.    (3a+7b) (5a-4b)           9.    (5m2-6m+10)  – (-m2+7m+8)__           10.    (2x2+4x+9) - ( x2-5x-6)           11.  6a + 12 / 3            12.    4x2-8x+12x3 / 4x

Factorize :i. 3x2y+9xy2–15xy ii. 2222 cb4916ba361 iii. 16x2–24yz–9y2–16z2 iv. (x–2y)2–6(x–2y)+5

4xy 2 −2x 2 y+(−4yx 2 +3y 2 x)?