75. x – x + 2x² – 4x – 8 = 0 76. 2x + 3x2 + 2x + 3 = 0 77. 3x + 4x2 - 7x + 2 = 0 78. 2x - 3x2 - 3x - 5 = 0 79. 3x - x 15x + 5 = 0 80. 2x - 11x² + 10x + 8 = 0 81. x* + 4x + 2r² – x + 6 = 0 82. x* – 2x + 10x2 – 18x + 9 = 0 2 84. x -x + 3x – 2 = 0 2 8 83. x - +* 3* +1 = 0 3
75. x – x + 2x² – 4x – 8 = 0 76. 2x + 3x2 + 2x + 3 = 0 77. 3x + 4x2 - 7x + 2 = 0 78. 2x - 3x2 - 3x - 5 = 0 79. 3x - x 15x + 5 = 0 80. 2x - 11x² + 10x + 8 = 0 81. x* + 4x + 2r² – x + 6 = 0 82. x* – 2x + 10x2 – 18x + 9 = 0 2 84. x -x + 3x – 2 = 0 2 8 83. x - +* 3* +1 = 0 3
Chapter12: Sequences, Series And Binomial Theorem
Section12.4: Binomial Theorem
Problem 12.77TI: Find the coefficient of the x5 term of (x+4)8.
Related questions
Question
In Problems 75–84, find the real solutions of each equation.
![75. x – x + 2x² – 4x – 8 = 0
76. 2x + 3x2 + 2x + 3 = 0
77. 3x + 4x2 - 7x + 2 = 0
78. 2x - 3x2 - 3x - 5 = 0
79. 3x - x
15x + 5 = 0
80. 2x - 11x² + 10x + 8 = 0
81. x* + 4x + 2r² – x + 6 = 0
82. x* – 2x + 10x2 – 18x + 9 = 0
2
84. x -x + 3x – 2 = 0
2
8
83. x - +*
3* +1 = 0
3](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff43ea5f9-57f6-46b2-b339-e72389a9c7b5%2Fe9ab3037-f082-4549-95dc-df0d65706cc7%2F028ej1_processed.png&w=3840&q=75)
Transcribed Image Text:75. x – x + 2x² – 4x – 8 = 0
76. 2x + 3x2 + 2x + 3 = 0
77. 3x + 4x2 - 7x + 2 = 0
78. 2x - 3x2 - 3x - 5 = 0
79. 3x - x
15x + 5 = 0
80. 2x - 11x² + 10x + 8 = 0
81. x* + 4x + 2r² – x + 6 = 0
82. x* – 2x + 10x2 – 18x + 9 = 0
2
84. x -x + 3x – 2 = 0
2
8
83. x - +*
3* +1 = 0
3
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