Question

Multiply (x^4-11x^2+30)by(x+2)

Answer 1

b

Explanation:

(x⁴ -11x² + 30)(x +2) = (x⁴ -11x² + 30)*x + (x⁴ -11x² + 30)*2

= x⁴*x - 11x²*x + 30*x + x⁴*2 - 11x²*2 + 30*2

=x⁵ - 11x³ + 30x + 2x⁴ - 22x² + 60

= x⁵ + 2x⁴ - 11x³ - 22x² + 30x + 60