Working with Polynomials
Multiply and simplify.
(a) 〖3x〗^2 y^8∙7x^5 y^(-4)
(b) (x+3)(x-5)
(c) (x+4)^2
Simplify and leave answers in STANDARD FORM.
(a) (9x^2+8x-5)-(7x^2+2x-2)

(b) (9x^2+8x-5)-(7x^2+2x-2)

Question

Working with Polynomials 
Multiply and simplify.
(a)	〖3x〗^2 y^8∙7x^5 y^(-4)
(b)	 (x+3)(x-5)
(c)	 (x+4)^2
Simplify and leave answers in STANDARD FORM.	
(a)	 (9x^2+8x-5)-(7x^2+2x-2)
	
(b) (9x^2+8x-5)-(7x^2+2x-2)

qwertty123 · Answer

Do you know how to start these?

scarlettfarra2000 · Answer

No

qwertty123 · Answer

Do you have to do all of these?

scarlettfarra2000 · Answer

Yep

qwertty123 · Answer

B.)  (x+3)(x-5)
=(x+3)(x+−5)
=(x)(x)+(x)(−5)+(3)(x)+(3)(−5)
=x2−5x+3x−15

qwertty123 · Answer

@imqwerty Is great at math he can help you with the rest! I have to go very soon.

scarlettfarra2000 · Answer

thanks you for the help

scarlettfarra2000 · Answer

@imqwerty are you going to help? I really need it

qwertty123 · Answer

lol It shows he is here but I don't know?

scarlettfarra2000 · Answer

neither do I

scarlettfarra2000 · Answer

@satellite73  would you please help if you know how to do this