Question

Determine the product of (x+11)(x-7)

Answer 1

x^2+4x-77

Explanation:

distribute x+11 to x-7

x*x-x^2

x*-7=-7x

11*x=11x

11*-7=-77

combine like terms with -7x and 11x to get 4x

x^2+4x-77

Answer 2

x² + 4x - 77

Explanation:

To find the product, use the FOIL method. FOIL = First, Outside, Inside, Last.

(x + 11)(x - 7)

First:

(x)(x) = x²

Outside:

(x)(-7) = -7x

Inside:

(11)(x) = 11x

Last:

(11)(-7) = -77

Remember to simplify by combining like terms:

x² - 7x + 11x - 77

x² (-7x + 11x) - 77

x² + 4x - 77

x² + 4x - 77 is your answer.

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