Questions : 1) 25n2 2) 18xy 3) 12y 4) 21y2 5) 81a 6) 92q 7) 36x3 8) 24h 9) 48x2 10) x2y3 |
Answers : 1) 5 ⋅ 5 ⋅ n ⋅ n 2) 2 ⋅ 3 ⋅ 3 ⋅ x ⋅ y 3) 2 ⋅ 2 ⋅ 3 ⋅ y 4) 3 ⋅ 7 ⋅ y ⋅ y 5) 3 ⋅ 3 ⋅ 3 ⋅ 3 ⋅ a 6) 2 ⋅ 2 ⋅ 23 ⋅ q 7) 2 ⋅ 2 ⋅ 3 ⋅ 3 ⋅ x ⋅ x ⋅ x 8) 2 ⋅ 2 ⋅ 2 ⋅ 3 ⋅ h 9) 2 ⋅ 2 ⋅ 2 ⋅ 2 ⋅ 3 ⋅ x ⋅ x 10) x ⋅ x ⋅ y ⋅ y ⋅ y |
Questions : 1) 4x + 24y 2) 2x2 – 8x 3) x2 – 3x 4) 4x2y3 + 6x3y2 5) 9m2 - 16n2 6) a2b2 - c2d2 7) x4 - y4 8) 3(x – 6) + d(x – 6) 9) 4x + 8 10) 5x2 - 15x |
Answers : 1) 4(x + 6y) 2) 2x(x - 4) 3) x(x - 3) 4) 2xy(2x + 3y) 5) (3m + 4n)(3m - 4n) 6) (ab + cd)(ab - cd) 7) (x2 + y2)(x + y)(x - y) 8) (x – 6)(3 + d) 9) 4(x + 2) 10) 5x(x - 3) |
Questions : 1) 3a + 6ab + 9a2 2) ab + bc - 2b 3) 2x(x + 4) + 3x + 12 4) x2 + 5x + 6 5) x2 - 15x + 56 6) x2 + 2x - 15 7) x2 - x - 20 8) 2x2 + 9x + 9 9) 3x2 + x - 4 10) x2 + 8x + 16 11) x2 + 6xy + 9y2 12) 4a2 - 20ab + 25b2 13) 16a + 64b - 4c |
Answers : 1) 3a(1 + 2b + 3a) 2) b(a + c – 2) 3) (x + 4)(2x + 3) 4) (x + 2)(x + 3) 5) (x - 7)(x - 8) 6) (x - 3)(x + 5) 7) (x - 5)(x + 4) 8) (2x + 3)(x + 3) 9) (x - 1)(3x + 4) 10) (x + 4)(x + 4) 11) (x + 3y)(x + 3y) 12) (2a - 5b)(2a - 5b) 13) 4(4a + 16b - c) |
Questions : 1) x2 + 4x – 5x - 20 2) x2 - 7x + 3x - 21 3) x2 - 3x + 2x - 6 4) x2 - 6x - 3x + 18 5) x2 + 7x - 9x - 63 6) 2x2 + x - 6x - 3 7) 3x2 + 2x - 12x - 8 8) 4x2 - 3x - 8x + 6 9) 9x2 + 4x - 9x - 4 10) x3 + 3x2 + 6x + 18 11) x3 + 2x2 - 9x - 18 |
Answers : 1) (x + 4) (x – 5) 2) (x - 7) (x + 3) 3) (x - 3) (x + 2) 4) (x - 6) (x - 3) 5) (x + 7) (x - 9) 6) (2x + 1) (x - 3) 7) (3x + 2) (x - 4) 8) (4x - 3) (x - 2) 9) (9x + 4) (x - 1) 10) (x + 3)(x2 + 6) 11) (x + 2)(x + 3)(x - 3) |
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