CHALLENGE Show that a 2 - b 2 = (a + b)(a - b) algebraically. (Hint: Rewrite a 2 - b 2
Chapter 8, Problem 36(choose chapter or problem)
CHALLENGE Show that a 2 - b 2 = (a + b)(a - b) algebraically. (Hint: Rewrite a 2 - b 2 as a 2 - ab + ab - b 2 .)
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