Question

what should be subtracted from the polynomial x2-16x+30 so that x=15 is a zero of the polynomial

Answer 1

Answer:

15

Step-by-step explanation:

Let 'a' be subtracted from the polynomial to get 15 as one of the zero.

Substituting value of 15 in place of x, we get

15² - 16*15 + 30 - a = 0

225 - 240 + 30 = a

a = 15

Answer 2

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