Question

From the sum of 4 + 3x and 5 - 4x + 2x² , subtract the sum of 3x² - 5x and -x² + 2x + 5
please use * sign in place of multiplication sign. it's confusing​

Answer 1

Step-by-step explanation:

sum

(4 + 3x) + (5 - 4x + 2x²)

4 + 3x+ 5 - 4x + 2x²

2x²+3x-4x+5+4

2x²-x+9

(3x² - 5x)+( -x² + 2x + 5)

3x² - 5x -x² + 2x + 5

3x²-x²-5x+2x +5

2x²-3x+5

subtract

(2x²-x+9)-( 2x²-3x+5)

2x²-x+9 -2x²+3x-5

2x²-2x²-x+3x+9-5

2x+4