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15 votes
What is 3(5x^2-9x) evaluated for x=-3

User Symbiont
by
4.9k points

2 Answers

2 votes

Answer:

216

Explanation:

put -3 where x is

3 ( 5 -3^2 - 9(-3) )

3 ( 45 + 27 )

3 (72)

216

User TokyoToo
by
5.1k points
9 votes

Answer:

216

Explanation:

3(5x^2-9x)

3( 5 (-3)^2 - 9(-3))

3( 5 (9) - (-27))

3( 45-(-27))

3(72)

216

User Dylan Jackson
by
5.2k points