Add: 2x(1+x²+3x)+5x and 4 (x²+3x-1)

1.	Add: 2x(1+x²+3x)+5x and 4 (x²+3x-1)
Answer» Answer: 2x^3+10x^2+19x-4 is the answer. Explanation: 2x(1+x²+3x)+5x+4 (x²+3x-1) =2x+2x^3+6x^2+5x+4x^2+12x-4 =2x^3+10x^2+19x-4 Hope it HELPS you. pls MARK as BRAINLIEST.

Answer»

Answer:

2x^3+10x^2+19x-4 is the answer.

Explanation:

2x(1+x²+3x)+5x+4 (x²+3x-1)

=2x+2x^3+6x^2+5x+4x^2+12x-4

=2x^3+10x^2+19x-4

Hope it HELPS you.

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