Question

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Answer 1

Answer:

x=1

p(1)=25(1)2-40(1)+16

=25-40+16

=1

Answer 2

Answer:

$x = \frac{ - 4}{5}$

Step-by-step explanation:

$p(x) = 25 {x}^{2} - 40x + 16 \\ px(x) = 25 {x}^{2} + 20x + 20x + 16 \\ p(x) = 5x(5x + 4)4(5x + 4) \\ p(x) = (5x + 4)(5x + 4) \\ x = - \frac{4}{5}$

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