Question

If we subtract -7x² from -2x², then we get​

Answer 1

Step-by-step explanation:

$- 7 {x}^{2} -2 {x}^{2} = - 9 {x}^{2}$

Answer 2

$\huge\bf\pink{Answer}$

$\longrightarrow\sf{-2{x}^{2} - (-7{x}^{2})}$

$\longrightarrow\sf{( -2 + 7){x}^{2}}$

$\longrightarrow\sf{5{x}^{2}}$