expand out the bracket (2m - 3)(m + 1).
claw technique: multiply each 'thing' in the first bracket with each 'thing' in the second bracket.2m2 + 2m - 3m -3then collect the like terms2m2 -1 -3
AP
Related Maths GCSE answers
All answers ▸Solve the simultaneous equation 6y+3x=24, 4y+5x=28
What is the nth-term of this sequence? 29, 26, 23, 20, 17...
Line segment AB is drawn between point A(-3, 3) and point B(-1, -1). Work out the gradient of the line segment AB, then find the equation of the graph.
HIGHER TIER a) Factorise the following equation into two bracket form: 2x^2-5x-12. b)2x^2-5x-12=0. Solve this equation to find the values of x, using your answer to part a). BONUS c) Sketch the function y=2x^2-5x-12, showing any x intercepts