Question

(x4 + 2x3 + 3x2 + 4x + 5) - (x3 + 2x2 + 5x4 - 8x - 2)​

Answer 1

Step-by-step explanation:

Given expression is

(x4 + 2x3 + 3x2 + 4x + 5)-(x3 + 2x2 + 5x4 - 8x - 2)

=>x⁴+2x³+3x²+4x+5-x³-2x²-5x⁴+8x+2

=>(x⁴-5x⁴)+(2x³-x³)+(3x²-2x²)+(4x+8x)+(5+2)

= -4x⁴+x³+x²+12x+7