The width of a rectangle is (5x + 2) inches and the length is (6x − 7) inches. Find the area of the rectangle.
1 answer:
You might be interested in
There are 2 roots so the only way to complete the square is,
Just factor 2 out of 2x^2+8x (just ignore the -9) then find the number that will make the terms be able to complete the square.
then complete the square and multiply 2 inside the brackets.
subtraction as you already get the vertex form and know how to complete the square.
Vertex Form: