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 ▸Lottie has a bag of applies. She gives half of them to Fred. Fred eats two and then has four left. How many apples did Lottie have at the start?
How to do simultaneous equations?
A square has sides of length x cm. The length of a rectangle is equal to the perimeter of this square. The perimeter of this rectangle is 14x cm. Find an expression for the width of this rectangle. Give your answer in terms of x.
Rearrange the equation y = 3(x+1)/4, making x the subject.