Expand and simplify the following expression: (2x-1)(3x+2)
Use a double-bracket expansion method such as FOIL (first, outer, inner, last). If you don't know FOIL or how to expand double brackets, don't worry, I will explain it to you in the session.
6x2 - 3x + 4x - 2
= 6x2 + x - 2
OB
Related Maths GCSE answers
All answers ▸A particle P of mass 0.4 kg is moving under the action of a constant force F newtons. Initially the velocity of P is (6i – 27j) m s−1 and 4 s later the velocity of P is (−14i + 21j) m s−1 . Find, in terms of i and j, the acceleration of P.
How do I solve simultaenous equations? e.g. 2x -5y =11 and 3x+2y=7
v^2=u^2+2as, make "a" the subject of the formula.
i) The point A on a graph is (6,-7), and point B is (3,5). Calculate the equation of the straight line that passes through both A and B. ii) Does the line pass through the point C (-2,26)?