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Solve 4(3x + 2) = 12 - 5x

Step 1: Times out the brackets 12x + 8 = 12 -5x
Step 2: Gather all 'x' values on one side and all non-'x' values on the other (12x + 5x = 12 - 8) -> 17x = 4
Step 3: Divide by the number next ...

Answered by Caitlin L. • Maths tutor

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How can you differentiate when to use SohCahToa and when to use the sine/cosine rules?

SohCahToa
We use SohCahToa to figure out an unknown angle or side in a right angled triangle. In questions, you will see a right angled triangle and have either two sides given (so ...

Answered by Mansi C. • Maths tutor

15767 Views

x – 7x + 10 = 0

Equation of this type should be seen as x²-SX+P=0, where S is the sum of the solutions, while P is their product. We have too find 2 numbers whose sum is S and product is P. In this example, we...

Answered by Anca Elena M. • Maths tutor

2686 Views

x = 1 is a solution for the curve y = x^3-6x^2+11x-6, find the other solutions and sketch the curve, showing the location of any stationary points.

Other solutions are; x = 3, x = 2Diagram of the graph with the stationary points on them can be found through this link. https://www.d...

Answered by Catriona W. • Maths tutor

3235 Views

Solve x^2 + 2x = 48 for all values of x

First we need to rearrange so that it's all on one side of the equals sign:x² + 2x - 48 = 0 Now we have to find what will sum to make the coefficient of x (2) and multiplies together to get -48...

Answered by Ketan C. • Maths tutor

2686 Views