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3 years ago

2x^4–5x^3+x^2+3x+2=? X=5

Mathematics

1 answer:

DanielleElmas [232]3 years ago

3 0

Answer:

$2x^4–5x^3+x^2+3x+2=$

$2 \times 5^4–5 \times 5^3+5^2+3 \times 5+2$

= 2 × 625 – 5 × 125 + 25 + 3 × 5 + 2

=1250 – 625 + 25 + 15 +2

= 1292 – 625

= 667

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