Question

(3x5 – 4x4 + 3x3 + 2x) + (x2 – 3)​

Answer 1

Answer:

(15-16+9+2x) +(x2-3)

Step-by-step explanation:

(15-25+2x)+(x2-3)

(-10+2x)+(x2-3)

2x+x2=10+4

x2= 14/2

x=7/2 ans.

Answer 2

Answer:

(3×5 - 4×4+3×3+2x)+(x²-3)

(15-16+9+2x)+(x²-3)

(1+9+2x)+(x²-3)

10+2x+x²-3

10-3+x²+2x

x²+2x+7

by using middle term factories