Simplify: (3x2 – 4x + 2) + (9x3– 5x – 3) + (4x – 8x3)

A. x3 + 3x2 – 5x –1
B. 17x3 + 3x2 –1
C. 16x6 – 17x5 – 1
D. 17x6 + 3x2 – 5x –1

Question

Simplify: (3x2 – 4x + 2) + (9x3– 5x – 3) + (4x – 8x3) 

   A. x3 + 3x2 – 5x –1 
   B. 17x3 + 3x2 –1 
   C. 16x6 – 17x5 – 1 
   D. 17x6 + 3x2 – 5x –1

anonymous · Answer

pl retype the equation in the formula maker

anonymous · Answer

WHAT ?  ^^^ I DONT UNDERTSAND HOW TO SOLVE THIS USING MULTIPLICATION, IT DOESNT MAKE SENSE TO ME /:

anonymous · Answer

@lalaly

lalaly · Answer

(3x2 – 4x + 2) + (9x3– 5x – 3) + (4x – 8x3) 

collect like terms
(9x^3-8x^3)+3x^2+4x-4x-5x-3+2
=x^3+3x^2-5x-1
its A

anonymous · Answer

thank you @lalaly . ive missed your helpfulness (: lol.

lalaly · Answer

hehe i missed helping you :D:D