Choose the correct simplification of (3x3 + 2x2 − 5x) − (8x3 − 2x2)

Question

anonymous · Answer

A) −5x3 + 4x2 − 5x

 B) 5x3 + 2x2 + 5x

C)  −5x3 − 4x2

 D)  5x3 + 2x2

parthkohli · Answer

$\Large \color{purple}{\rightarrow 3x^3 + 2x^2 - 5x - 8x^3 + 2x^2 }$

$\Large \color{purple}{\rightarrow -5x^3 + 4x^2 - 5x }$

anonymous · Answer

I HAVE ANOTHER

parthkohli · Answer

Always remember that when the brackets get removed and a negative is outside the bracket, then the signs get changed in the bracket.

diyadiya · Answer

Post your question !~

apoorvk · Answer

Add/subtract coefficients of terms with alike degrees of 'x'. For example, 
8x^3 -5x^3 = (8-5)x^3 = 3x^3.

Same for the others. Think you can do this now?

anonymous · Answer

Diyadiya!@!@

anonymous · Answer

@Diyadiya