Question

5
5. Subtract 4 - x2 from 18 - 5x + 6x2.​

Answer 1

$\bf \: 4 - {x}^{2} - (18 - 5x + 6 {x}^{2} )$

$\bf \: \implies4 - {x}^{2} - 18 + 5x - 6 {x}^{2}$

$\bf \: \implies- 7 {x}^{2} + 5x - 14$

hope it helps!