Math, asked by kavyakalyam, 1 month ago

if 3 is a zero of the polynomial p(x) =2xsquare -5x+7a find the value of a​

Answers

Answered by ramgarhiaak872594
5

Step-by-step explanation:

let p(x) = 2x² - 5x + 7a

since x = 3 is a factor of p(x)

therefore,

2(3)² - 5(3) + 7a = 0

=》18 - 15 +7a = 0

=》3 + 7a = 0

=》a = -3/7

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