Maths with David

    1 June

    👉🏼Solve 3(2x − 6) = 12

    👈🏼A regular polygon has exterior angle
    15°. How many sides does it have?

    🖐🏼Make x the subject of T = 2x3 – y

    👆🏼If f(x) = \frac{x-9}{3} and g(x) = 5x – 7, solve f-1(x) = g(x)

    👇🏼If the surface area of the below cuboid is 270cm2, then what is x?