Question

if p(x)= 3x2+ 5x-7 then the value polynomial at x=1 is​

Answer 1

Answer:

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Step-by-step explanation:

Given,

$p(x) = 3 {x}^{2} + 5x - 7$

putting the value x=1 both sides, we get

$p(1) = 3 \times {1}^{2} + 5 \times 1 - 7 \\ = > p(1) = 3 + 5 - 7 \\ = p(1) = 8 - 7 \\ = > p(1) = 1$