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How do I expand (x+a)(x+b)? (plus example)

The key to understanding expanding brackets is to understand that we need to multipy EVERYTHING in the first bracket by EVERYTHING in the second bracket.

We can think of the calculation

Answered by Jenny B. • Maths tutor

16361 Views

What effect would a fall in the interest rate have on GDP?

GDP (output) is affected by consumption, investment, government spending and net exports. A fall in the interest rate have a varying effect upon each of these. Consumption is likely to increase as sav...

Answered by Jake P. • Economics tutor

14300 Views

Why did Henry VIII split from the Catholic church in 1534

While one could go into a rather complex answer for this, for an AS level question I would split this into 3 main parts, with a short introduction and conclusion.The short introduction would outline your ...

Answered by Anne H. • History tutor

39434 Views

What is the difference between macro and micro economics?

Macro economics is the larger picture, how the economy works for the whole country or region. Micro economics examines how things work in a smaller level, examining one industry, business or group of invi...

Answered by Anne H. • Economics tutor

5373 Views