Question

3. Find the sum of below mentioned algebraic expressions.
5a² + 7a - 4, 5a + 4 - a² and 5 - 3a

Answer 1

Answer: 4aa + 9a +5

Explanation:

5aa+7a-4 + 5a +4-aa +5-3a

We can group it up

5aa+aa +7a+5a-3a and -4+4+5

Now simplify

4aa + 9a +5

Note: aa = a squared

Hope this helps!