Question

45a/25a^2-16b^2-9/5a+4b

Answer 1

$\frac{45a}{25 a^{2} } -16 b^{2} - \frac{9}{5a} +4b= \frac{9-9}{5a} -16 b^{2} +4b=-16 b^{2} +4b= -4b(4b-1)$

Answer 2

It looks like you have an algebraic expression:

(45a / 25a^2) - (16b^2) - (9 / 5a + 4b)

Let's simplify this step by step:

1. Simplify the fractions within the expression: (45a) / (25a^2) = (9/5) / a (9) / (5a) + 4b = (9) / (5a) + 4b

2. Now, combine the terms involving 'a': (9/5a) - (9/5a) = 0

3. Combine the remaining terms: -16b^2 + 4b

So, the simplified expression is: -16b^2 + 4b