Find the roots of x^2+5x+4=0

(x+4)(x+1)=0

x=-1   x=-4

CD

Related Maths GCSE answers

All answers ▸

What's Pythagoras Theorem and how can I use it?


Make x the subject of the formula: 3(2x-y)=ax-4


There are 150 men, women and children on a plane. For every 7 men there are 2 women, and for every 1 woman there are 3 children. How many men are on the plane?


In a class of 30, the ratio of boys to girls is 2 : 3 , how many girls are there?