how would you sovle this?
multiply:
(a + 5) (a - 5)
you should use FOIL. However, you should have memorized this form:
(a^2-b^2)=(a+b)(a-b) If you don't recognize the difference of two squares, memorize it now.
multiply:
(a + 5) (a - 5)
(a^2-b^2)=(a+b)(a-b) If you don't recognize the difference of two squares, memorize it now.