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 ▸Sam takes out a £720 loan. Sam will have to pay back the £720 plus an interest rate of 15%. He will have to pay this back in 12 equal monthly instalments. How much must Sam pay monthly?
The point P has coordinates (3, 4) The point Q has coordinates (a, b) A line perpendicular to PQ is given by the equation 3x + 2y = 7 Find an expression for b in terms of a.
5y = 45
How do you use the pythagoras equation?