Question
Subtract:
$4.5 x^5-3.4 x^2+5.7 \text { from } 5 x^4-3.2 x^2-7.3 x$
$4.5 x^5-3.4 x^2+5.7 \text { from } 5 x^4-3.2 x^2-7.3 x$
✓
Answer
We have,
$5 x^4-3.2 x^2-7.3 x-\left(4.5 x^5-3.4 x^2+5.7\right)$
$=5 x^4-3.2 x^2-7.3 x-4.5 x^5+3.4 x^2-5.7$
On combining the like terms.
$=-4.5 x^5+5 x^4-3.2 x^2+3.4 x^2-7.3 x-5.7$
$=-4.5 x^5+5 x^4+0.2 x^2-7.3 x-5.7$
$5 x^4-3.2 x^2-7.3 x-\left(4.5 x^5-3.4 x^2+5.7\right)$
$=5 x^4-3.2 x^2-7.3 x-4.5 x^5+3.4 x^2-5.7$
On combining the like terms.
$=-4.5 x^5+5 x^4-3.2 x^2+3.4 x^2-7.3 x-5.7$
$=-4.5 x^5+5 x^4+0.2 x^2-7.3 x-5.7$
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