Solve x^2+6x+5=0 for x

x2+6x+5=(x+5)*(x+1)=0 therefore x+5=0 or x+1=0, hence x=-5 and x=-1

WR

Related Maths GCSE answers

All answers ▸

The circle c has equation x^2+y^2 = 1 . The line l has gradient 3 and intercepts the y axis at the point (0, 1). c and l intersect at two points. Find the co-ordinates of these points.


If 3(x+2) = 4, what is x?


How would you solve a quadratic equation (e.g. x^2-8x+15=0)?


Solve the simultaneous equations, (1) 4x+y=23 and (2) 3x+5y=111/2