Think of a whole number Subtract 2. Take the original number and add to find the product of the numbers. Subtract the square of the original number use polynomials to show how this number trick works

Question

Lauryn Griffin

Mathematics

10 November, 13:01

Think of a whole number Subtract 2. Take the original number and add to find the product of the numbers. Subtract the square of the original number use polynomials to show how this number trick works

+3

Answers (1)

Know the Answer?

Mila Baldwin · Answer 1

(x - 2) (x + 2) - x^2?=? - 4

Let's simplify the left hand side.

(x - 2) (x + 2) - x^2

x^2 - 2x + 2x - 4 - x^2

(x^2 - x^2) + (-2x + 2x) + (-4)

0 + 0 + - 4

-4