Write 3a - a x 4a + 2a in its simplest form.

= 5a - 4a^2The rules of BODMAS (brackets, Orders, Division, Addition, Subtraction) applies. Times the "a" with "-4a" first, forming 4a squared (4a^2). Then group the "3a" and "2a" together, add them up, whcih equals 5a.

RK

Related Maths GCSE answers

All answers ▸

Solve the simultaneous equations x+y=8 and 3x-y=4.


Please expand this equation and simplify: (2x + 5)(9x -4)


Simplify the surd sqrt(48)


A curve has the equation y = 4x^2 + 5x + 3 and a line has the equation y = x + 2. Show that the line and the curve have one point of intersection.