Answer:
x² (x^n + 1)
Step-by-step explanation:
factor x^(n+2) + x²
= x^(n+2) + x²
= x^n • x² + x² (using law of indices)
= x²(x^n + 1)
(3)(x + 4)(x-2)
3x^2 + 6x – 24
3(x^2 + 2x - 8)