Find (7x2 + 14x) + (x + 2).
7x
Find and correct the errors in the following mathematical statement:
4(x - 5) = 4x - 5
Find and correct the errors in the following mathematical statement:
x(3x + 2) = 3x2 + 2
Find and correct the errors in the following mathematical statement:
5y + 2y + y - 7y = 0