(3a-1)^2 - (3a-2)(3a+1) Pls give steps. I’ll mark as brainliest!!!
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(3a-1)^2 - (3a-2)(3a+1) =3-3a
Step-by-step explanation:
(3a-1)^2= 9a^2+1-6a
(3a-2)(3a+1)
9a^2+3a-6a-2
(3a-1)^2 - (3a-2)(3a+1)= 9a^2+1-6a-(9a^2+3a-6a-2)
= 9a^2+1-6a-9a^2-3a+6a+2
(3a-1)^2 - (3a-2)(3a+1) =3-3a
pls mark as brainliest
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