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Answers
Question 1
| (a) | \( 2x + 6 \) | (b) | \( 5x + 20 \) | (c) | \( 8x - 40 \) |
| (d) | \( 3x + 21 \) | (e) | \( 4x - 12 \) | (f) | \( 4x + 4b \) |
| (g) | \( 8y + 56 \) | (h) | \( 7x - 14 \) | (i) | \( 6x + 18 \) |
| (j) | \( 2x - 18 \) | (k) | \( 3a - 3b \) | (l) | \( 5y - 25 \) |
Question 2
| (a) | \( 6x + 10 \) | (b) | \( 28x - 20 \) | (c) | \( 7x^2 + ax \) |
| (d) | \( 12x - 18 \) | (e) | \( a^2 - 6a \) | (f) | \( 30x + 35 \) |
| (g) | \( x^2 + 3x \) | (h) | \( 4x^2 - 2x \) | (i) | \( 12x - 24 \) |
| (j) | \( 5y - 3y^2 \) | (k) | \( 27x + 18 \) | (l) | \( 2bx - b^2 \) |
Question 3
| (a) | \( 2x^2 - 6x \) | (b) | \( 12a^2 - 6a \) | (c) | \( 10x^2 + 35x \) |
| (d) | \( 24x - 12x^2 \) | (e) | \( 24x^2 - 8x \) | (f) | \( 28y^3 + 8y^2 \) |
| (g) | \( 15ab^2 - 9a^2b \) | (h) | \( 5x + 10y - 15z \) | (i) | \( 8x^2 - 6xy + 10xz \) |
| (j) | \( 4xy^2 - 8y^2 + 20xy \) | (k) | \( 20xy - 15xy^2 + 35x^2y^2 \) | (l) | \( 12a^2x - 30ax^2 + 6a^2x^2 \) |
Question 4
| (a) | \( 7x + 34 \) | (b) | \( 6x - 36 \) | (c) | \( 13x - 5 \) |
| (d) | \( 27x - 20 \) | (e) | \( 4x + 12 \) | (f) | \( x + 22 \) |
| (g) | \( -9 \) | (h) | \( 47 - 9x \) | (i) | \( 14x +13 \) |
| (j) | \( 47x - 18 \) | (k) | \( 33x - 16 \) | (l) | \( 5x + 47 \) |
Question 5
| (a) | \( x^2 + 12x + 35 \) | (b) | \( x^2 + 6x + 9 \) | (c) | \( x^2 + 4x + 3 \) |
| (d) | \( x^2 - x - 6 \) | (e) | \( x^2 + 4x - 5 \) | (f) | \( x^2 - 3x - 28 \) |
| (g) | \( x^2 - 7x + 12 \) | (h) | \( x^2 - 7x + 10 \) | (i) | \( x^2 - 9x + 8 \) |
| (j) | \( x^2 + 2x - 15 \) | (k) | \( x^2 + 6x + 9 \) | (l) | \( x^2 + 2x - 3 \) |
Question 6
| (a) | \( x^2 - 4 \) | (b) | \( 2x^2 - 2x - 12 \) | (c) | \( 3x^2 + 9x - 6 \) |
| (d) | \( x^2 - 36 \) | (e) | \( x^2 - 1 \) | (f) | \( 5x^2 - 29x - 6 \) |
| (g) | \( 6x^2 - 13x - 5 \) | (h) | \( x^2 - 49 \) | (i) | \( 4x^2 - 9 \) |
| (j) | \( 8x^2 - 38x - 35 \) | (k) | \( 9x^2 - 25 \) | (l) | \( 10a^2 x^2 + 29ax + 10 \) |