Question

if 2 is a zero of polynominal p(x)=4xsquare+2x-5a then value of a is​

Answer 1

Answer:

$p(x) = 4 {x}^{2} + 2x - 5a$

$p(2) = 4 \times {2}^{2} + 2 \times 2 - 5a$

$16 + 4 - 5 a = 0$

$20 - 5a = 0$

$5a = 20$

$a = 4$

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Answer 2

Answer:

4

Step-by-step explanation:

p(x)=4x^2+2x-5a

p(2)=0

4(2)^2+2(2)-5a=0

16+4-5a=0

20-5a=0

20=5a

a=20/5

a=4