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Solve: x^2 + 2x - 3 = 0

(x2+2x - 3) = 0 We need to find 2 numbers that multiply to make -3 and add to make 2. Once we have found them we can use them to find the solutions to the quadratic. Answer = (x+3)(x-1) = 0 the...

JB
Answered by Joshua B. Maths tutor
2964 Views

How do I do algebra when there is an x on both sides?

If you are trying to work out what x is, then we need to end up with something that looks like: [x = ... ] On one side we have just 'x' and on the other ...

RB
Answered by Robbie B. Maths tutor
3198 Views

Please explain the short term effects of physical activity on the body.

Physical Activity can have a number of effects that occur immediately. The first of which being an increase in heart rate to provide working muscles with sufficient oxygen to avoid the building of lactic ...

JS
2007 Views

Differentiate y = 2x^4 + 11x^2 - 5 with respect to x

There are two things to understand with this question: 'differentiate' and 'with respect to x'we differentiate when we need to find how quickly something changes, which in maths usually means the gradient...

KD
Answered by Kieran D. Maths tutor
2787 Views

How do I approach an unseen poetry exam question?

The first thing you do when you face an unseen exam is to read the poem multiple times, first read the poem twice without writing anything, and then read it a few more times identifying key areas such as ...

DM
4433 Views

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