substract 2xsquare 2-7xy from 2xsquare2+6xy+y3
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Answer:
We know that,
The difference of two like terms is a like term whose coefficient is the difference of the numerical coefficient of the two like terms.
∴The required difference =(2x
2
−3y
2
+6xy)−(x
2
−y
2
)
=2x
2
−3y
2
+6xy−x
2
+y
2
Rearranging and collecting like terms
=(2x
2
−x
2
)+(−3y
2
+y
2
)+6xy
=(2−1)x
2
+(−3+1)y
2
+6xy
=(1)x
2
+(−2)y
2
+6xy
=x
2
−2y
2
+6xy
Step-by-step explanation:
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