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Question 8
Mixed examples. Factorise completely:
| (a) | \( 4x + 8\) | (b) | \( x^2 + 7x + 6\) | (c) | \( 6x^2 + 3x\) |
| (d) | \( x^2 - 16\) | (e) | \( 3x^2 - x - 4\) | (f) | \( 6x^2y^2 - 9xy^2 + 3y^2\) |
| (g) | \( 5x + 20\) | (h) | \( 8ab^2 - 4b^2\) | (i) | \( 6x - 4\) |
| (j) | \( x^2 - x - 6\) | (k) | \( 8x + 12\) | (l) | \( x^2 - 5x - 14\) |
Question 9
Mixed examples. Factorise completely:
| (a) | \( x^2 + 11x + 28\) | (b) | \( x^2 + 5x\) | (c) | \( 3y^2 - 12y\) |
| (d) | \( 6xy^2 + 2xy + 8 x^2y\) | (e) | \( 8a^2 + 12b\) | (f) | \( 5x^2 - 20x\) |
| (g) | \( 12x^2 - 2x - 2\) | (h) | \( 3x^2 - x\) | (i) | \( x^2 - 12x + 35\) |
| (j) | \( 6x^2 + 15x\) | (k) | \( 9x^2 - 4\) | (l) | \( x^2 + 7x\) |