[ Answer ]
[tex]\boxed{-49x\ +\ 13}[/tex]
[ Explanation ]
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3 - 13x - 7x · 2 - (5 · 2 + 12x - 10)
7x · 2 = 14x
-(5x · 2 + 12x - 10) = -(22x - 10)
3 - 13x - 14x - (22x - 10)
-(22x - 10): -22x + 10
3 - 13x - 14x - 22x + 10: -49x + 13
[tex]\boxed{[ \ Eclipsed \ ]}[/tex]
-49x + 13
Answer:
-12x2 − 25x + 13
Step-by-step explanation:
(3 -13x -7x2)-(5x2 +12x -10) multiply the entire second term by negative one
3 - 13x -7x^2 -5x^2 -12x +10 combine like terms