Question

(16x2 − 5) − (4x2 + 10)?

Answer 1

\(\Large \color{MidnightBlue}{\Rightarrow 16x^2 - 5 - 4x^2 - 10 }\)

The signs get changed when we open the bracket.
Do the operations on like terms and you're done/

Answer 2

Subtract terms with like variable coefficients - that is with alike powers of x. Take care of the signs when you remove the signs.

Answer 3

im confused

Answer 4

Do as apoorvk said:)
Then u'll get;
\[12x^2-15\]

Answer 5

As u can see 16x^2 and 4x^2 are like terms. Similarly 4x and 2x are like terms.

Answer 6

If u equate this equation to zero or non-zero value; u r going to get solutions for the variable x:)

Answer 7

solve now?