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Expand the brackets (3x^2 + 6x + 7)(x - 3)

To help the student understand how to expand the brackets I would start by splitting the equation to:3x 2 (x - 3) + 6x(x - 3) + 7(x - 3)I then would ask the student to expand these brackets to:3x 3 - 9x 2 + ...
JD
Answered by Jasmine D. • Maths tutor
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Find the gradient of 4(8x+2)^4 at X coordinate 2

To find a gradient at a given point, first we differentiate then we sub in the x coordinate of the point. To differentiate 4(8 x +2) 4 we must use the chain rule. First we let u = 8 x +2 and differentiate th...
Answered by • Maths tutor
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Find the possible values of x from the equation 3(x^2)+2x-4=2(x^2)+3x+8

Here we have an example of a quadratic equation in terms of x. Start by manipulating the equation until it is equal to 0: subtract 2(x^2) from both sides to get (x^2)+2x-4=3x+8. Then subtract 3x from both si...
TI
Answered by Tom I. • Maths tutor
4569 Views

Integrate 3x^2+cos(x) with respect to x

First split the question into two integrals, the integral of 3x^2 and the integral of cos(x).We'll tackle the first integral first, you have to think what value would differentiate to give 3x^2. We can see t...
CH
Answered by Charlotte H. • Maths tutor
4976 Views

https://1drv.ms/w/s!Ajvn5XL_gYTXgaZeAS-K7z62VSxjYw?e=lnAZLx

attached is a word document including my question an answer as I wanted to include diagrams. the question is a M2 question
Answered by • Maths tutor
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