Expand the brackets? (x+4)(2x-3)
Create a smiling face with arrows between the terms and then go through and multiply the terms together.(Diagram of the smiling face)(x+4)(2x-3) = 2x2 - 12 - 3x + 8x = 2x2 + 5x - 12Then simply reorganise the answer to give it in ascending powers of x.
TR
Related Maths GCSE answers
All answers ▸Factorise the expression: 2x^2 + 17x + 21
Expand (2x+1)(x+4)
Aled has three concrete slabs. Two of the slabs are square, with each side of length x metres. The third slab is rectangular and measures 1 metre by (x +1) metres. The three concrete slabs cover an area of 7m^2. Show that 2x^2 + x – 6 = 0. Find x.
Solve the simultaneous equations: 3x + y =11, 2x + y = 8