Question

Polynomials
http://prntscr.com/4vmp0o

Answer 1

multiply each side by 2, and add that

Answer 2

so you'd have [2[(-8x)(x+5)]+7]+[2[(5x^2-9x-3)]]

Answer 3

lets distribute the parentheses first to try and clean up this mess

Answer 4

[2(-8x^2-40x)+7]+(10x^2-18x-6)

Answer 5

are you good so far?

Answer 6

Ye.

Answer 7

Just tired

Answer 8

can you finish from here or do you want me to?

Answer 9

I want to see an example of this I never had one of these

Answer 10

Like to find the Perimeter

Answer 11

(-16x^2-80x+7)+(10x^2-18x-6)

Answer 12

then combine the like terms

Answer 13

-6x^2-98x-1

Answer 14

hang on that doesnt work with the given values cause of that +1, lemme try to see what i did wrong

Answer 15

oh i didn't multiply the 7 by 2
sorry

Answer 16

shouldve been (-16x^2-80x+14)+(10x^2-18x-6)

Answer 17

so it would be C.

Answer 18

Thanks Joshua.

Answer 19

np