Question

These algebraic expressions are not equivalent. Explain

why they are not equivalent.
1
x2
2
+ 8.x-x2 - 6x
222 - 2x

Answer 1

in the 1st row, one x^2 is positive while the other is negitive, making the total zero. also in the top row 8x+(-6x) = 2x, but in the 2nd row is says -2x, showing they are not the same. Also there is no -1/2 in the 2nd row like there is in the 1st row

Explanation: