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If necessary, combine like terms.
(3 + 4x) (3 - 4x)

The rectangle shown has a perimeter of 108 cm and the given area. its length is 6 more than five times its width. write and solve a system of equations to find the dimensions of the rectangle.

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2

Bob the builder is making 480kg of cement mix. this is made by cement, sand and gravel in the ratio 1: 3: 4