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Question
Factorise the following expression.
y2 + 8zx – 2xy – 4yz
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Solution
We have,
y2 + 8zx – 2xy – 4yz
= y2 – 2xy + 8zx – 4yz
= y(y – 2x) – 4z(y – 2x)
= (y – 2x)(y – 4z)
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| Food Item (Per Unit = 100g) | Carbohydrates |
| Rajma | 60g |
| Cabbage | 5g |
| Potato | 22g |
| Carrot | 11g |
| Tomato | 4g |
| Apples | 14g |
Write an algebraic expression for the amount of carbohydrates (in grams) for y units of potatoes and 2 units of rajma.
