Can you solve (2x-4)(x+1)=0?
All we need to do here is find the values of x that make each bracket zero.So2x-4=02x=4x=2andx+1=0x=-1
SI
Related Maths GCSE answers
All answers ▸Solve the simultaneous equations: 3x+5y=19, 4x-2y=-18
Dan works 5 days a week. Is it cheaper to use car or bus? Bus weekly ticket = £19.50. Car drive is 24.2 miles, car does 32.3 miles per gallon of petrol, which costs £1.27 per litre. Use 1 gallon = 4.5 litres
How do you know what to do first when solving composite function?
Find the mean, median, mode and range of this data: 2, 5,6,12,5