x^2+10x+6=0 Find x
Quadratic formula. x=(b+-SQRT(b^2-4ac))/2a substitute. x=(10+-SQRT(100-416))/21 simplify. x=5+2SQRT(19)/2ORx=5-2SQRT(19)/2
AN
Related Maths GCSE answers
All answers ▸How do I find the equation of a line between two points?
Find the coordinates and the point of intersection between the lines 8x + 7y = 11 and y = 5x + 2
Factorise 3x^3y^2-6x^2y+9xy
A sequence increases by 5 each time and the first term is x. The sum of the first four terms is 54. Set up and solve an equation to work out the value of x.