(-4)2-15.(-6)-(-17)+3
= 16+90+17+3
=16+90+20=16+110=126
( -4 )2- 15 . ( -6 ) - ( - 17 ) + 3
= 16 - (- 90 ) + 17 + 3
= 106 + 20
= 126
\(\left(-4\right)^2-15.\left(-6\right)-\left(-17\right)+3\)
\(=16+90+14\)
\(=\left(16+14\right)+90\)
\(=30+90\)
\(=120\)