الاجابة
w (-4) = 2(-4)4 – 5(-4)3 + 3(-4)2 – 2(-4) + 8
w (x) = 512 + 320 + 48 + 8 + 8 = 896
w (5) = 2(5)4 – 5(5)3 + 3(5)2 -2(5) +8
w (5) = 1250 – 625 + 75 – 10 + 8 = 698