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Maths
GCSE

Write (x + 1)(x + 2)(x + 3) in the form ax³ + bx² + cx + d

Step 1: Multiply the first 2 brackets(x + 1)(x + 2) =x2 + x + 2x + 2 =x2 + 3x + 2
Step 2: Multiply the result with the third bracket(x2 + 3x + 2)(x+3)x3 + ...

Answered by Anjum C. Maths tutor
2241 Views

Draw the graph of, y = x^2 – 2x – 4

1)First, let's create a table of values for x and y. For this example, let's pick values of x ranging from -2 to +4.2) We will then input our values of x into the equation, and get a corresponding value o...

Answered by Adam D. Maths tutor
4207 Views

Expand (x+3)(x+4)

When we come across questions like this, we expand by multiplying everything in the first bracket by everything in the second bracket. An easier way of doing this is rewriting the question like: x(3x+4) +...

Answered by Greg C. Maths tutor
8469 Views

A sequence starts with the following terms... 2, 8, 14, 20... find the nth term

To find the "n" in this sequence we need to calculate the difference between the terms So the result will be... n+6

Answered by Patricia C. Maths tutor
4640 Views

Solve 7x+6 > 1+2x

To solve this inequation:1) Group all the exes in one side and the numbers in the other one... 5x > -52) Solve x... x > -13) Result: (-1, ∞ )

Answered by Patricia C. Maths tutor
2903 Views

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