Question

simplify (t-3)^2(t+3)^2

Answer 1

Answer:

t^4 - 18t^2 + 81

Step-by-step explanation:

(t-3)^2(t+3)^2

= {(t-3)(t-3)}×{(t+3)(t+3)}

= {(t-3)(t+3)}×{(t-3)(t+3)}

= (t^2 - 9)(t^2 - 9)

= (t^2 - 9)^2

= t^4 - 18t^2 + 81

And, that's how you do it!

:)