1.

Find the value of k if x minus 3 is a factor of 4 x cube + 7 x square - 8 x + k​

Answer»

Step-by-step EXPLANATION:

x - 3 = 0

x = 3

4x³+ 7x² - 8x + K = 0

4 ( 3 )³ + 7 ( 3 )² - 8 ( 3) + k = 0

4 (27 ) +7 ( 9) - 24 + k = 0

108 + 63 - 24 + k = 0

147 + k = 0

k = - 147



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