Question

simplify
-3x2 + 4xy + 7y2 + 2(-3x2 + 5xy + 11y2)

Answer 1

\[-9 x^2+14 x y+29 y^2
\]

Answer 2

how do you write it out to show your work? i get lost

Answer 3

LOL, ok.

Answer 4

-3x2 + 4xy + 7y2 + 2(-3x2 + 5xy + 11y2)

-3x2 + 4xy + 7y2 -6x2 +10xy +22y2

Add like terms.

Answer 5

thanks

Answer 6

np

Answer 7

want to help me with 2 more?

Answer 8

Sure, i help online college students whole day!

Answer 9

. Simplify. Please show all of your work.
9x3 + x – 2(8x3 – 7x)

Answer 10

9x^3 + x - 16x^3 + 14x

Adding like terms:

-7x^3 + 15x

Answer 11

Copy and paste the whole thing there!!

Answer 12

thanks again will copy and paste

Answer 13

here is the last one . Evaluate 2 – x(9 + x2) for x = -2. Please show all of your work.