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Answers
3. Simplify: (-5x2 - 8x + 7) - (5x2 - 4)
3. Simplify: (-5x2 - 8x + 7) - (5x2 - 4)Solution:
3. Simplify: (-5x2 - 8x + 7) - (5x2 - 4)Solution:(-5x2 - 8x + 7) - (5x2 - 4)
3. Simplify: (-5x2 - 8x + 7) - (5x2 - 4)Solution:(-5x2 - 8x + 7) - (5x2 - 4)= -5x2 - 8x + 7 - 5x2 + 4
3. Simplify: (-5x2 - 8x + 7) - (5x2 - 4)Solution:(-5x2 - 8x + 7) - (5x2 - 4)= -5x2 - 8x + 7 - 5x2 + 4= -5x2 - 5x2 - 8x + 7 + 4
3. Simplify: (-5x2 - 8x + 7) - (5x2 - 4)Solution:(-5x2 - 8x + 7) - (5x2 - 4)= -5x2 - 8x + 7 - 5x2 + 4= -5x2 - 5x2 - 8x + 7 + 4= -10x2 – 8x + 11
3. Simplify: (-5x2 - 8x + 7) - (5x2 - 4)Solution:(-5x2 - 8x + 7) - (5x2 - 4)= -5x2 - 8x + 7 - 5x2 + 4= -5x2 - 5x2 - 8x + 7 + 4= -10x2 – 8x + 11Answer: -10x2 – 8x + 11
3. Simplify: (-5x2 - 8x + 7) - (5x2 - 4)Solution:(-5x2 - 8x + 7) - (5x2 - 4)= -5x2 - 8x + 7 - 5x2 + 4= -5x2 - 5x2 - 8x + 7 + 4= -10x2 – 8x + 11Answer: -10x2 – 8x + 114. Simplify: (4x2 + 5x) + (x2 - 5x + 1)
3. Simplify: (-5x2 - 8x + 7) - (5x2 - 4)Solution:(-5x2 - 8x + 7) - (5x2 - 4)= -5x2 - 8x + 7 - 5x2 + 4= -5x2 - 5x2 - 8x + 7 + 4= -10x2 – 8x + 11Answer: -10x2 – 8x + 114. Simplify: (4x2 + 5x) + (x2 - 5x + 1)Solution:
3. Simplify: (-5x2 - 8x + 7) - (5x2 - 4)Solution:(-5x2 - 8x + 7) - (5x2 - 4)= -5x2 - 8x + 7 - 5x2 + 4= -5x2 - 5x2 - 8x + 7 + 4= -10x2 – 8x + 11Answer: -10x2 – 8x + 114. Simplify: (4x2 + 5x) + (x2 - 5x + 1)Solution:(4x2 + 5x) + (x2 - 5x + 1)
3. Simplify: (-5x2 - 8x + 7) - (5x2 - 4)Solution:(-5x2 - 8x + 7) - (5x2 - 4)= -5x2 - 8x + 7 - 5x2 + 4= -5x2 - 5x2 - 8x + 7 + 4= -10x2 – 8x + 11Answer: -10x2 – 8x + 114. Simplify: (4x2 + 5x) + (x2 - 5x + 1)Solution:(4x2 + 5x) + (x2 - 5x + 1)= 4x2 + 5x + x2 - 5x + 1
3. Simplify: (-5x2 - 8x + 7) - (5x2 - 4)Solution:(-5x2 - 8x + 7) - (5x2 - 4)= -5x2 - 8x + 7 - 5x2 + 4= -5x2 - 5x2 - 8x + 7 + 4= -10x2 – 8x + 11Answer: -10x2 – 8x + 114. Simplify: (4x2 + 5x) + (x2 - 5x + 1)Solution:(4x2 + 5x) + (x2 - 5x + 1)= 4x2 + 5x + x2 - 5x + 1= 4x2 + x2+ 5x - 5x + 1
3. Simplify: (-5x2 - 8x + 7) - (5x2 - 4)Solution:(-5x2 - 8x + 7) - (5x2 - 4)= -5x2 - 8x + 7 - 5x2 + 4= -5x2 - 5x2 - 8x + 7 + 4= -10x2 – 8x + 11Answer: -10x2 – 8x + 114. Simplify: (4x2 + 5x) + (x2 - 5x + 1)Solution:(4x2 + 5x) + (x2 - 5x + 1)= 4x2 + 5x + x2 - 5x + 1= 4x2 + x2+ 5x - 5x + 1= 5x2 + 0 + 1
3. Simplify: (-5x2 - 8x + 7) - (5x2 - 4)Solution:(-5x2 - 8x + 7) - (5x2 - 4)= -5x2 - 8x + 7 - 5x2 + 4= -5x2 - 5x2 - 8x + 7 + 4= -10x2 – 8x + 11Answer: -10x2 – 8x + 114. Simplify: (4x2 + 5x) + (x2 - 5x + 1)Solution:(4x2 + 5x) + (x2 - 5x + 1)= 4x2 + 5x + x2 - 5x + 1= 4x2 + x2+ 5x - 5x + 1= 5x2 + 0 + 1= 5x2 + 1
3. Simplify: (-5x2 - 8x + 7) - (5x2 - 4)Solution:(-5x2 - 8x + 7) - (5x2 - 4)= -5x2 - 8x + 7 - 5x2 + 4= -5x2 - 5x2 - 8x + 7 + 4= -10x2 – 8x + 11Answer: -10x2 – 8x + 114. Simplify: (4x2 + 5x) + (x2 - 5x + 1)Solution:(4x2 + 5x) + (x2 - 5x + 1)= 4x2 + 5x + x2 - 5x + 1= 4x2 + x2+ 5x - 5x + 1= 5x2 + 0 + 1= 5x2 + 1Answer: 5x2 + 1
(4x2 + 5x) + (x2 - 5x + 1)= 4x2 + 5x + x2 - 5x + 1= 4x2 + x2+ 5x - 5x + 1= 5x2 + 0 + 1= 5x2 + 1
Answer: 5 x 2 + 1