Simplify. −5x4(−3x2+4x−2) 1: −8x^6−x^5−7x^4 2: 15x^8−20x^4+10 3: 15x^6−20x65+10x64 4: −15x^8−20x^5+10x^4

Step-by-step explanation:

We have been given an expression and we are asked to simplify our given expression.

We will use distributive property to simplify our given expression.

Upon distributing we will get,

Using exponent property we will get,

Therefore, our given expression simplifies to .