Question

21. Write (2x+5)3 in expended form​

Answer 1

Answer:

2 multiplied (×)+5×3

Step-by-step explanation:

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Answer 2

( 2x + 5 ) ³

Using the identity

• ( a + b ) ³ = a³ + 3a²b + 3ab² + b³

( 2x ) ³ + 3 x ( 2x )² x 5 + 3 x 2x x 5² + 5³

8x³ + 60x² + 150x + 125