Question

Помогите пж срочно алгебра

Answer 1

$displaystyle -1.2x+97xy^2+49xy^2=-1.2x+146xy^2=x(-1.2+146y^2)\\4(-1.2+146*0.1^2)=4(-1.2+146*0.01)=4(-1.2+1.46)=\\=4*0.26=1.04$