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(3x-6)(2x-1)

In their policies, new liberals and social democrats might seem similar, and they certainly do cross over, such as in the 'third way' politics of Clinton and Blair. The difference, however lies in the rea...

Multiply out the brackets:

3a+12=ac+5f

3a-ac=5f-12

a(3-c)=5f-12

a=5f-12/3-c

Firstly, look at the given area of the rectangle. As this is 20cm², the length and width of the rectangle could be a combination of 20 and 1; 10 and 2 or 5 and 4. Any of thse options could be u...

If the cross section is 30cm², then we need to multiply the cross section by the length of the prism therefore, it should be 30x25, which is 750cm²