Question

A) c² (4c-5)-(c-8) (c-7)= 4​

Answer 1

Ответ:

4c³-6c²+15c-56

Объяснение:

Answer 2

To solve the equation $c^2(4c-5)-(c-8)(c-7)=4$, you can follow these steps:

1. Expand the expressions on both sides of the equation:

   $4c^3 - 5c^2 - (c^2 - 15c + 56) = 4$

2. Distribute the negative sign on the left side:

   $4c^3 - 5c^2 - c^2 + 15c - 56 = 4$

3. Combine like terms:

   $4c^3 - 6c^2 + 15c - 56 = 4$

4. Move all terms to one side of the equation to set it equal to zero:

   $4c^3 - 6c^2 + 15c - 56 - 4 = 0$

5. Simplify the equation:

   $4c^3 - 6c^2 + 15c - 60 = 0$

6. Divide the entire equation by 2 to simplify it further:

   $2c^3 - 3c^2 + 7.5c - 30 = 0$

Now, you have a cubic equation in terms of $c$. Depending on your needs, you can either find its roots numerically using a calculator or solve it analytically, if possible.