How do I expand (x-2)(3x+3) into a quadratic?

The expansion of two brackets containing two terms each is a little more complicated than expanding say, x(3x+3). There is a process to follow for these questions. First, just look at the x term in the first bracket and consider x(3x+3) which gives: 3x2+3x. Next, look at the -2 term in the first bracket giving: -6x-6. Adding these two results together will give the full result: 3x2+3x-6x-6. This then simplifies to 3x2-3x-6.

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Answered by William P. Maths tutor

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