Please help!
The area of a parallelogram is ( x^2 + x - 12) and the length of its base is ( x +4). what is the height of the parallelogram?
since area = lw
x^2 + x - 12 = (x+4)( ......)
clearly ( ..... ) must be (x - 3)
check:
expand (x-3)(x+4)