Question

Find the value of k for wch the polynomial x4 + 10x3 + 25x2 + 15x + k is exactly divisible by x+7?

Answer 1

HEY.......
HERE IS U R ANSWER
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FOR THIS PUT X = -7
IN THE EQUATION
(-7)^4 + 10 (-7)^3 + 25 (-7)^2 + 15 (-7) + K = 0
2401 + (-3430) + 25 ( 49 ) + (-105) + k = 0
91+k = 0
k = -91

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