a²-22a+ 121
it is a Perfect square Trinomial?
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a²-22a+ 121
it is a Perfect square Trinomial?
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Answer:
Yes it's a perfect square trinomial
Step-by-step explanation:
a² - 22a + 121
we will know if the term is PST if the square root of the last term times 2 is same as the middle term.
so square root of 121 is 11
11x2 = 22 (same as the middle term)
Answer:
Yes
Step-by-step explanation:
(a-11)(a-11) or (a-11)²
F-a*a=a²
O- -11a
-11a+(-11a) = -22a
I- -11a
L- -11*(-11)= 121
a²-22a+121 ang sagot ;)