Question

simplify 3z (4z-5 )+ 3 at z=0


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Answer 1

Answer:

3

Step-by-step explanation:

3z( 4z - 5 ) + 3

12z² - 15z +3

at z =0

12*(0)² - 15*0 + 3

12* 0 - 0 + 3

0 - 0 + 3

3

Answer 2

• Simplifying the given = 12z² - 15z + 3

• The value of the expression at z = 0 is 3

Given :

The expression 3z(4z - 5 ) + 3

To find :

The value of the expression at z = 0

Solution :

Step 1 of 3 :

Write down the given expression

The given expression is 3z(4z - 5 ) + 3

Step 2 of 3 :

Simplify the given expression

3z(4z - 5 ) + 3

= 12z² - 15z + 3

Step 3 of 3 :

Find the required value

The value of the expression at z = 0

= 12 × 0² - 15 × 0 + 3

= 0 - 0 + 3

= 3

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