Question

(-5x2 - 3x - 7) + (-2x3 + 6x2 - 8)

Simplify
A) -7x3 + x2 - 3x - 15
B) -2x3 - 3x - 15
C) -2x3 + x2 - 3x - 15
D) -2x3 + x2 - 3x - 1

Answer 1

\left[x \right] = \left[ -5+\frac{x2}{3}+\frac{\left( -2\right) \,x3}{3}\right][x]=[−5+​3​​x2​​+​3​​(−2)x3​​]

Answer 2

The correct answer is C.

Step-by-step explanation: You just have to add liked terms. Simple maths. U in college im in middle school and U dont know this XD