Algebra-1

To expand the expression (x + 1)(x - 6), we can use the distributive property and multiply each term of the first expression by each term of the second expression:

(x + 1)(x - 6) = x * (x - 6) + 1 * (x - 6)

Expanding further:

= x² - 6x + x - 6

Combining like terms:

= x