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
Related Maths GCSE answers
All answers ▸If f(x)=7-4x, given that f(c)=9, find c
simplify 7(3y-5) - 2(10 + 4y)
A light bulb is to be put in the middle of a room defined by the coordinates (10,5), (10,25), (20, 5) and (20,25). At what coordinate should the light bulb be placed?
