Question

Add : 3x2 + 5x – 4, 2x + 3 – x2 and 8 – 3x + 7x2.​

Answer 1

Step-by-step explanation:

${3x}^{2} + 5x - 4 + 2x + 3 - {x}^{2} + 8 - 3x + {7x}^{2} \\ {3x}^{2} + {7x}^{2} - {x}^{2} + 5x + 2x - 3x + 8 + 3 - 4 \\ {9x}^{2} + 4x + 7$

Answer 2

Answer:

9x^2+4x+7

Step-by-step explanation:

please see the solution from the above pic