find the factors of the given expressions. 1. 15+³ - 15+ ² + 20+ 2.17X5-51X4-34X 3.35 x5y²+ 21x4y²+ 14x3y2 4. 10c3-80C5-5c6 5.12m5n²-6m²n³ +3mn=
pwde gawan nyo ng step​