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Make s the subject of the formula

v 2 = u 2 + 2as. The question is asking us to make s the subject of the formula and so we must find the equation equal to s. The golden rule of the rearranging topic is whatever you do to one side of the equ...
SH
Answered by Samuel H. • Maths tutor
7399 Views

Find the roots of the equation: x^2-2x-3=0

The point at which the explanation of the solution is started, will depend on the level of understanding of the student and previous knowledge on the subject A root is a numerical value that represents the s...
AP
Answered by Andreas P. • Maths tutor
7438 Views

Simplyfy, ((x-2)(x^2+5x+6)-(2x^2+10x+12))/(x^2+x-2)

The key to this is to not expand everything out and try work it out through that process. The easiest way is to notice that (x^2+5x+6) = (x+2), (2x^2+10x+12)=2(x+3)(x+2) and (x^2+x-2)= (x+2)(x-1).From this w...
TL
Answered by Thomas L. • Maths tutor
3279 Views

Express 280 as a product of its prime factors.

2 * 2 * 2 * 5 * 7 = 280
DS
Answered by Danny S. • Maths tutor
6479 Views

Solve the simultaneous equations y = 5x^2 + 4x - 19 and y = 4x + 1

Okay, so for two simultaneous equations which both equal the same variable (in this example the variable they're equal to is y), the trick is to make both equations equal each other:so we can say that 4x + 1...
GH
Answered by Guy H. • Maths tutor
10916 Views