Answer:
24x^4+32x^3+32x^2+16x+10
Explanation:
Using distributive property,
1. multiple 4x^2 times (6x^2+8x+5)
2. multiple 2 times (6x^2+8x+5)
3. add them together
24x^4+32x^3+20x^2
+ 12x^2+16x+10
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