exam Maths Puzzle Numerical Ability

How do I graph the inequality 4x+y>6

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In 1054, Chinese astronomers observed the light from a supernova in the night sky. This supernova was the incredibly powerful origin of what is now the Crab Nebula.

Using the v
How would you multiply and express the product in simplest form?

x^2 - 9/x+2 times x^2 - 4/x-3