7x2
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7xsquare = 7 x square = 1 x = +1 or -1
7x-2
8x=7x-7 x=-7
12x - 4 = 7x - 21 12x -7x = -21 + 4 5x = -17 x = -3.4
The expression ( 7x ) multiplied by ( x ) can be simplified by applying the properties of multiplication. This results in ( 7x^2 ), which means 7 times the square of ( x ).