1.

Plz answer!!!plz! Test tomorrow ​

Answer»

Answer:

i)

(x-y)^8

ii)

11x²-9

iii)

x(x+14)+33

iv)

x(2x-19)-10

v)

9-4x(3+x)-5y(5y-2z)-z²

Step-by-step explanation:

i)

x^8-y^8

=(x-y)^8

ii)

25x²-(2x-3)²

=(25x²-4x²)-9

=11x²-9

iii)

x²+14x+33

=(x²+14x)+33

=x(x+14)+33

iv)

2x²-19x-10

=(2x²-19x)-10

=x(2x-19)-10

v)

9-(12x+4x²)-(25y²-10yz)-z²

=9-4x(3+x)-5y(5y-2z)-z²

I hope my ANSWERS are correct.If so PLS mark me as the brainliest...

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