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i) Factorise x^2 – 7x + 12 ii) Solve x^2 – 7x + 12

i)STEP 1: Make 2 brackets and put an x in each one: (x )(x )
STEP 2: Find 2 numbers when multiplied together make 12 and when added together they make -7
Multiples of 12:
1 x ...

HC
Answered by Hashir C. Maths tutor
4307 Views

Why was Charles I Executed?

It is fundamental to understand that the execution of Charles I was not a pre-meditated act; while the pressures that drove the regicide were present throughout the civil wars, any understanding of the pe...

BF
Answered by Boris F. History tutor
3937 Views

The US Constitution is no longer fit for purpose - Discuss.

Students should be led to understand that they can achieve top grades by coming down on either side of the argument - indeed, the surest path to a poor result in this situation is to equivocate and...

BF
4878 Views

Please expand the brackets in the following equation to get a quadratic equation. Then, please show using the quadratic formula that the solutions to the equation are x=3 and x=5. Here is the starting equation: (x-3)(x-5)=0

(X-3)(x-5)=0Use F.O.I.LFirst x multiplied by x gives x2outer x multiplied by -5 gives -5xinner x multiplied by -3 gives -3xlast -5x-3 gives +15combining we get x2-8x+15=0the quadrati...

JG
Answered by Jacob G. Maths tutor
3745 Views

Explain the difference between Humoral and Cellular adaptive immune response.

Firstly the adaptive immune response is the antigen specific response the body uses against free antigens or infected cells. It relies on the highly specialised lymphocytes, T-cells and B-cells, which are...

TL
Answered by Tarek L. Biology tutor
3151 Views

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