Question

(a²+5a)²+4a²-2a²b-10ab+20a​

Answer 1

Answer:

6a

Step-by-step explanation:

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Answer 2

Answer:

a(a+5){a²+5a + 4 –2b},

Step-by-step explanation:

• (a² +5a)² + 4a² + 20a – 2a²b –10ab

• a²(a+5)² +4a(a+5)–2ab(a+5)

• a(a+5){a(a+5)+4 –2b}

• a(a+5){a²+5a + 4 –2b}