contestada

find each product.

(3x+1)(8x-2)


(5n-5)(4n+8)

(7x-2)(xto the second power- 6x-5)

(5b-2)(3b to rhe second power - b+2)

(5+m)to the second power

(7n+3)(7n-3)




Respuesta :

1. (3x+1)(8x-2)  24x^2+8x-6x-2  24x^2+2x-2
2. (5n-5)(4n+8)  20n^2-20n+40n-40 20n^2+20n-40
3. (7x-2)(x^2-6x-5) 7x^3-2x^2-42x^2+12x-35x+10 7x^3-44x^2-23x+10
4. (5b-2)(3b^2-b+2) 15b^3-5b^2+10b-6b^2+2b-4 15b^3-11b^2+12b-4
I have the last two in a little bit.