what must be added to 3k²-5k²+8k-2 to obtain 4k³+11k+7?​

Sagot :

Answer:

4k³-2k²+3k+9

Step-by-step explanation:

We can only add SIMILAR TERMS.

3k²-5k²+8k-2 + (N) = 4k³+11k+7

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Answer:

K3+5k2+3k+9

Step-by-step explanation:

3k3-5k2+8k-2 +x =4k3+11k+7

Let x be the number

Then,

x= -3k3+5k2-8k+2+4k3+11k+7

Combine like terms,

X= k3+5k2+3k+9

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