If you thought maths was just algebra and quadratic equations, you’d be mistaken. Our everyday world functions on different fields of mathematics, from probability theory in weather forecasting and insurance, to topology in fractal geometry in biology and image compression. You wouldn’t be able to read this article without some of the mathematical fields below.

Now, *work out the value of **x** in **5x² + 6x + 1 = 0. **Show all your working.

*If you do know the answer, leave a comment.

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