Question

(x-3)(3x+1)-(2x+3)(4x-1) пж помогите​

Answer 1

(x-3)×(3x+1)-(2x+3)×(4x-1)

3x²+x-9x-3-(8x²-2x+12x-3)

3x²+x-9x-3-(8x²+10x-3)

3x²+x-9x-3-8x²-10x+3

-5x²-18x