The side of a square is (2x -6) cm. If the side is decreased by 50%, what is the new area?
x^2 -3x +6 cm ^2
x^2 -6x - 9 cm^2
x^2 - 3x +6 cm ^ 2
x^2 -6x + 9 cm^2
x^2 -3x +6 cm ^2
x^2 -6x - 9 cm^2
x^2 - 3x +6 cm ^ 2
x^2 -6x + 9 cm^2
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Answer:
The answer is
The Side is decreased by 50% or multiplied by 1/2
2x - 6 / 2 = x - 3
(x - 3)^2 is the area of the square, expanding the formula results in
x^2 - 6x + 9