4 years ago

Which expression is equivalent to (X^5 +2X^2−4)−(−5X^5−3X^2+2X−7)?

Mathematics

1 answer:

MrRa [10]4 years ago

5 0

Answer:

6 $x^{5}$ + 5x² - 2x + 3

Step-by-step explanation:

Given

( $x^{5}$ + 2x² - 4) - (-5 $x^{5}$ - 3x² + 2x - 7)

Remove the parenthesis on the first factor and distribute the second by - 1

= $x^{5}$ + 2x² - 4 + 5 $x^{5}$ + 3x² - 2x + 7 ← collect like terms

= 6 $x^{5}$ + 5x² - 2x + 3 ← in standard form

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