Answer:
1. (9x-5t) (9x+3t)
using identity
(9x)^2+(-5t+3t)9x+(-5t×3t)
81x^2+(-2t)9x+(-15t)
81x^2-18tx-15t
2. (x+1/x) (x-1/x)
x^2+(1/x+(-1/x))x+(1/x×(-1/x))
x^2+(0)x+(-1/x^2)
x^2-1/x^2
here's your answer
I hope it's help u!!!
Copyright © 2024 EHUB.TIPS team's - All rights reserved.
Answers & Comments
Answer:
1. (9x-5t) (9x+3t)
using identity
(9x)^2+(-5t+3t)9x+(-5t×3t)
81x^2+(-2t)9x+(-15t)
81x^2-18tx-15t
2. (x+1/x) (x-1/x)
using identity
x^2+(1/x+(-1/x))x+(1/x×(-1/x))
x^2+(0)x+(-1/x^2)
x^2-1/x^2
here's your answer
I hope it's help u!!!
so,
therefore: