Answer:

1.686√2x²y + 24√3x⁵y⁴

Solving Steps:

Simplify or factorize:

7³ × √8x²y + 2³ × √27x⁵y⁴

7³ × √2² × 2x²y + 2³ × √3² × 3x⁵y⁴

Same? ya its same if u want question.why its same.Secret.Then u think its wrong tsk if u think its wrong dont copy -_-

7³ × √2² × 2x²y + 2³ × √3² × 3x⁵y⁴

7³ × 2√2x²y + 2³ × 3√3x⁵y⁴

343 × 2√2x²y + 8 × 3√3x⁵y⁴

Answer:

686√2x²y + 24√3x⁵y⁴

Answer number 2.I need to rest i will edit when i done to rest