Question

Determine o valor numerico Tdessa expressao para x=-2

T=4x+5(x-3)-6x+7x+9x-2(x-2)+x

Answer 1

T=-47

4.(-2)+5.(-2-3)-6.(-2)+7.(-2)+9.(-2)-2(-2-2)-2
-8-10–15+12-14-18+4+4-2
-8-10-15-14-18-2 +12+4+4
-40-8-5-4-8-2 +20
-67 +20
-47