221k views
23 votes
6(2x²-5) = [?]
x = -3

2 Answers

10 votes
Answer: 78

Step-by-Step Solution:

=> 6(2x² - 5) ; when x = -3

Substitute the value of ‘x’ :-

= 6(2x² - 5)
= 6(2(-3)² - 5)
= 6(2(9) - 5)
= 6(18 - 5)
= 6(13)
= 6 * 13
=> 78
User Mr Shoubs
by
4.0k points
5 votes

Answer:

78

Explanation:

plug in -3 as x

6(2(-3)^2-5)

6(2(9)-5)

6(18-5)

6(13)

78

User Stankalank
by
2.9k points