Question

Please help

Simplify the expression by combining like terms

Answer 1

Collect like terms
5a + a , 1+3
Calculate
Reorder terms
Final answer :
7a2 + 6a + 4

Answer 2

`\sf \: {7a}^(2) + 6a + 4`

Explanation:

Given expression,

→ 1 + 5a + 7a² + a + 3

Let's simplify the expression,

→ 1 + 5a + 7a² + a + 3

→ (7a²) + (5a + a) + (1 + 3)

→ (7a²) + (6a) + (4)

→ 7a² + 6a + 4

Hence, answer is 7a² + 6a + 4.