Question

(2a+5)^3 expansion ​

Answer 1

Answer:

$\huge \boxed{answer}$

(2a+5)³

(2a)³+(5)³+3(2a)(5){2a+5}

8a³+125+30a(2a+5)

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Answer 2

Step-by-step explanation:

$(2a + 5) {}^{3}$

$= (2a) {}^{3} + {5}^{3} + 3 \times 2 a \times 5 \times (2a + 5)$

$= {8a}^{3} + 125 + 60a {}^{2} + 150a$

$= 8a {}^{3} + 60a {}^{2} + 150a + 125$