$2x+10-\left( x+1 \right) \times \left( x-4 \right)$
Simplify the expression$2x+10-\left( {x}^{2}-4x+x-4 \right)$
Collect like terms$2x+10-\left( {x}^{2}-3x-4 \right)$
When there is a $-$ in front of an expression in parentheses, change the sign of each term of the expression and remove the parentheses$2x+10-{x}^{2}+3x+4$
Collect like terms$5x+10-{x}^{2}+4$
Add the numbers$5x+14-{x}^{2}$
Use the commutative property to reorder the terms$-{x}^{2}+5x+14$