Question

what should be added to 5 - 3x + 6x² to get 11 x² + 5x - 1 ?​

Answer 1

Answer:

5x^2 + 8x - 6

Step-by-step explanation:

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Answer 2

Answer

• First number + Second number = sum
• Second number = Sum - First number

• First term = 5 - 3x + 6x²
• Sum = 11x² + 5x - 1

• Second term = Sum - First term
• Second term = (11x² + 5x - 1) - ( 5 - 3x + 6x²)
• = 11 x² + 5x -1 - 5 + 3x - 6x²
• = 5x² + 8x - 6

Hence 5x² + 8x - 6 should be added.