Question

simplify ( 5x + 3 ) ( x + 1 ) ( 3x - 2 )

Answer 1

5x (x+1)+3 (x+1)(3x-2)
5x^2+5x+3x+3 (3x-2)
5x^2+8x+3 (3x-2)
3x (5x^2+8x+3)-2 (5x^2+8x+3)
15x^3+24x^2+9x-10x^2-16x-6
15x^3+14x^2-7x-6
hope it help u...

Answer 2

Hey!

$(5x+3)(x+1)(3x-2)\\=5x(x+1)+3(x+1) (3x-2)\\=5x^2+5x+3x+3(3x-2)\\=(5x^2+8x+3)(3x-2)\\=5x^2(3x-2)+8x(3x-2)+3(3x-2)\\=15x^3-10x^2+24x^2-16x+9x-6\\=\boxed{\boxed{15x^3+14x^2-7x-6}}$