Answer:
71
-133
Step-by-step explanation:
Given the polynomial :
3x³– 4x² + 7x + 5, when x = 3 and also when
x = –3.
Put x = 3
3(3)³– 4(3)² + 7(3) + 5
3(27) - 4(9) + 21 + 5
81 - 36 + 21 + 5
= 71
Put x = - 3
3(-3)³– 4(-3)² + 7(-3) + 5
3(-27) - 4(9) - 21 + 5
-81 - 36 - 21 + 5
= - 133
-5x - 3(-x+3x) - 5
1.) -3(-x+3x) = 3 - 9x
2.) -5 + 3x - 9x - 5
3.) 3x - 9x = -6x
4.) -5x - 6x -5
5.) -5x - 6x = -11x
6.) -11x - 5
answer is : -11x-5
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Answer:
I would help but i don't know the answer!
Look Kayla, You were my best friend the person I went to for everything. Then that changed You started to come to me with everything. I helped you then you ditched me. I felt bad bc I thought I wasn't helping you but then Colm told me that I was helping you, you just didnt listen. I was trying to tell you this the other day. I just sounded rude!
I am sorry!
The Best,
Madison
