Question

Subtract 2a^2 - 5 a +10 from 5 a^2 -11 a +19 *​

Answer 1

Answer:

2a^2 - 5 a +10 from 5 a^2 -11 a +19 *=(6×2+5×2-10),2<6

Answer 2

( 2a² - 5a + 10 ) - ( 5a² - 11a + 19 )

= 2a² - 5a² - 5a + 11a + 10 - 19

= - 3a² + 6a - 9