[tex] - 6 {x}^{2} - x - 3[/tex]
[tex]\large\mathfrak{{\pmb{\underline{\red{Step-by-step\:explanation}}{\orange{:}}}}}[/tex]
[tex]( - 2 {x}^{2} - 5x + 3) + ( - 4 {x}^{2} + 4x - 6) \\ \\ = - 2 {x}^{2} - 5x + 3 - 4 {x}^{2} + 4x - 6 \\ \\Combining \: the \: like \: terms, \: we \: have \: \\ \\ = - 2 {x}^{2} - 4 {x}^{2} - 5x + 4x + 3 - 6 \\ \\ = - 6 {x}^{2} - x - 3[/tex]
[tex]\large\mathfrak{{\pmb{\underline{\orange{Mystique35 }}{\orange{♡}}}}}[/tex]
Answer:
-6x^2 - x - 3
Step-by-step explanation:
(-2x^2 -5x +3) + (-4x^2 + 4x -6)
open the brackets .Remember while opening the brackets signs also get multiplied .
=-2x^2 -5x +3 - 4x^2 + 4x -6
=-6x^2 -x -3
(minus * minus) sign=plus sign
(minus * plus) sign=minus sign
(plus * plus) sign=plus sign
(minus + minus) sign=plus
(plus + plus) sign=plus sign
