When 4x^2+7x-5 is subtracted from 9 x^2-2x+3 the result is

please help me

Write a corresponding real world problem to represent 2x - 125=400

26) -2(7x) = (-2 • 7) x a. associative property of addition b. associative property of multiplication c. commutative property of multiplication d. commutative property of addition

Dylan is evaluation the expression 13+19+7+10 at one step in his work, dylan rewrites the equation as 13+7+19+10 which property of addition must dylan have used when he evaluated the expression?