It is known that when x = - 2, the value of the cubic power + BX + 3 of the polynomial ax is 0, then when x = - 2, the value of this algebraic expression is 0______ Quick good to points! It is known that when x = - 2, the value of polynomial a multiplied by the third power of X + BX + 3 is 0, then when x = - 2, the value of this algebraic expression is 0______ Quick good to points!

It is known that when x = - 2, the value of the cubic power + BX + 3 of the polynomial ax is 0, then when x = - 2, the value of this algebraic expression is 0______ Quick good to points! It is known that when x = - 2, the value of polynomial a multiplied by the third power of X + BX + 3 is 0, then when x = - 2, the value of this algebraic expression is 0______ Quick good to points!

When x = 2, we get 8A + 2B = - 3
Take in the whole, 8A + 2B = - 3
When x = - 2, the original formula = - 8a-2b + 3 = - (8a + 2b) + 3 = - (- 3) + 3 = 6