Question

plify.
(x² – 5) (x + 5) + 25​

Answer 1

Answer:

x³

because x³ - 25 + 25

= x³

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Answer 2

Step-by-step explanation:

$( {x}^{2} - 5)(x + 5) + 25 \\ \\ sol = \: \: {x}^{2} (x + 5) - 5(x + 5) + 25 \\ {x}^{3} + 5 {x}^{2} - 5x - 25 + 25 \\ {x}^{3} + 5 {x}^{2} - 5x$