Question

how to solve (5x-3)(x+4)-(2x+5)(3x-4)​

Answer 1

Answer:

-x^2 +10x +8

Step-by-step explanation:

(5x-3)(x+4)-(2x+5)(3x-4)​

5x^2 +20x -3x -12 -(6x^2 -8x +15x -20)

5x^2 +17x -12 -6x^2 +8x -15x +20

-x^2 +10x +8

Answer 2

(5x-3)(x+4)-(2x+5)(3x-4)

first we will open all the brackets

so,

5x-3+x-4-2x-5+3x+4

then we will take x ones at one side and no. ones at one sides

5x+x-2x+3x-3-4-5+4

7x-9

ans:7x-9