Question

Let us multiply with the help U
(i) (7+3x) (49 - 21x + 9x2)
=(7+3x) {(7)2-7X3x + (3x)}
= (7)3+(3x)=O+27 x3​

Answer 1

Answer:

ok

Step-by-step explanation:

Answer 2

6+3x‐6x

Step-by-step explanation:

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