Question

the sum of two expressions is 5c² + 7x + 9 if one is x² – 3x find the other one​

Answer 1

Answer: 5c square + 10x+9-x square

Step-by-step explanation:

5c square + 7x +9 -(x square - 3x) [ write it in correct equation]

now solve by putting like terms together

5c square +7x + 3x +9 -x square

+×+=+ so, add +7x and +3x

and ur answer will come 5c square +10x+9-x square