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Answers
Question 1
| (a) | \( 6x + 7\) | (b) | \( 8x +12\) | (c) | \( 17x + 9\) |
| (d) | \( 10x +17\) | (e) | \( 11x + 7y + 9\) | (f) | \( 12x + 20\) |
| (g) | \( 17x + 21\) | (h) | \( 19x +18\) | (i) | \( 20x + 26\) |
| (j) | \( 7a + 13b + 7c\) | (k) | \( 21x + 7y +14\) | (l) | \( 11a + 14b +12c\) |
Question 2
| (a) | \( 7x - 5\) | (b) | \( -2y - 5\) | (c) | \( -6x - 13\) |
| (d) | \( 5a -2b -4\) | (e) | \( 9x +3\) | (f) | \( x + 8\) |
| (g) | \( 7x + 2\) | (h) | \( 4 - 4x\) | (i) | \( x - 13\) |
| (j) | \( 2x - 5y -7\) | (k) | \( 7x + 4y - 12\) | (l) | \( 2x - 4y + 6z -12\) |
Question 3
| (a) | \( x^2 - 2x + 7\) | (b) | \( x^2 + 14x - 7\) | (c) | \( 8x^2 - 5x\) |
| (d) | \( 2a^2 + 4a - x^2 - x\) | (e) | \( 3x^2 + 4x + 3\) | (f) | \( 4x^2 +12x + 4\) |
| (g) | \( x^2 - 4x + 3\) | (h) | \( 3x^2 - 3x - 8\) | (i) | \( 2x^2 + 6x + 3\) |
| (j) | \( 2x^2 - 6x - 5y^2 - y - 7\) | (k) | \( 8x^2 - 12x - 3\) | (l) | \( 11a^2 - 4a - 13b\) |