Sagot :
Answer:
-10a + 22
Step-by-step explanation:
[tex]\rm (a^2-5a+12)-(a^2+5a-10)[/tex]
[tex]\hookrightarrow \rm a^2 - 5a + 12 - a^2 - 5a + 10[/tex]
[tex]\hookrightarrow \rm 0 + -10a +12 + 10[/tex]
[tex]\hookrightarrow \boxed{\rm -10a + 22}[/tex]
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Answer:
[tex]( {a}^{2} - 5a + 12) - ( {a}^{2} + 5a - 10) \\ {a}^{2} - 5a + 12 - {a}^{2} - 5a + 10 \\ {a}^{2} - {a}^{2} - 5a- 5a + 12 + 10 \\ = - 10a + 22[/tex]
Answer is - 10a +22 ✅