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It's a perfect square trinomial

X²+18+81


Sagot :

Answer:

(x+81)²

Step-by-step explanation:

this is a perfect square trinomial

but we need to find if its 3 check

x²✓

18✓

81✓

so it is really a perfect square no let's solve

step 1: identify if it's PST✓

step 2: solve

x²+18+81

(x+81)²

step2:solve✓

step 3:check

(x+81)(x+81)

x²+18+81

step3:check✓

so the answer is: (x+81)²