25 February, 13:35
Factor the perfect square trinomial 25x^2-60x+36
25 February, 14:12
Since it is a perfect square trinomial, it is of the form:
a^2x^2-2abx+b^2 which simplifies to (ax-b) ^2
sqrt (a) = sqrt (25) = 5
sqrt (b) = sqrt (36) = 6
Plug in a and b:
Test to make sure it did fit the formula:
-2abx=-60 (where x is 1)
-2 (5) (6) = -60
-2 (30) = -60
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» Factor the perfect square trinomial 25x^2-60x+36