Top answers

Make x the subject of the formula: 3x - 2 = y + 10

x = (y+12)/3
JK
Answered by Jameela K. • Maths tutor
3989 Views

Solve 2x^2 - x - 21 by factorising

Lets begin by splitting the bx term to make factorising possible: 2x 2 - x - 21 is the same as 2x 2 - 1x - 21What two numbers = -1 when added, and = -42 when multiplied together?(note - they have to multiply...
LQ
Answered by Lara Q. • Maths tutor
9727 Views

Solve the quadratic equation (x^2)-7x+10=0

x=5 2) x=2
DG
Answered by Dilhan G. • Maths tutor
3480 Views

((x^2+4x)/2x)-((x^2-4x)/x)

6-(x/2)
IL
Answered by Ieuan L. • Maths tutor
4126 Views

Work out (2^34) / (2^3)^10

Work out 2 34 /(2 3 ) 10 (2 3 ) 10 = 2 30 2 34 /2 30 = 2 4 = 16
TS
Answered by Tom S. • Maths tutor
3304 Views