P (x)=$5x^{5}$+3x-4$x^{4}$-2$x^{3}$+3$x^{2}$ +6
⇒P (x)=$5x^{5}$-4$x^{4}$-2$x^{3}$+3$x^{2}$+3x+6
Q (x)=2$x^{4}$-2x-x+3$x^{2}$-2$x^{3}$+$\frac{1}{4}$
=2$x^{4}$+(-2x-x)+3$x^{2}$-2$x^{3}$+$\frac{1}{4}$
=2$x^{4}$-3x+3$x^{2}$-2$x^{3}$+$\frac{1}{4}$
⇒Q (x)=2$x^{4}$-2$x^{3}$+3$x^{2}$-3x+$\frac{1}{4}$
P (x)=$5x^{5}$-4$x^{4}$-2$x^{3}$+3$x^{2}$+3x+6
+
Q (x)= 2$x^{4}$-2$x^{3}$+3$x^{2}$-3x+$\frac{1}{4}$
P(x)+Q(x)=$5x^{5}$-2$x^{4}-4$x^{3}+6$x^{2}$ +6,25
P (x)=$5x^{5}$-4$x^{4}$-2$x^{3}$+3$x^{2}$+3x+6
-
Q (x)= 2$x^{4}$-2$x^{3}$+3$x^{2}$-3x+$\frac{1}{4}$
P(x)-Q(x)=$5x^{5}$-6$x^{4}$ +6x+5,75
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