Question

Simplify the expression -3z(1.8z-2.2).

-5.4z² + 6.6z
-5.4z²-6.6z
-1.2z²+5.2z
-1.2z²-5.2z
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Answer 1

Answer:A

Explanation:

Answer 2

`- 5.4z {}^(2) + 6.6z`

Explanation:

Given:

`-3z(1.8z-2.2)`

Solution:

Applying Distributive property,we obtain

• 
  `(−3z)(1.8z)+(−3z)(−2.2)`

Simplifying using PEMDAS:

• 
  `- 5.4z {}^(2) + 6.6z`

Done!