Question

If x=3 and y=2, then the value of (x-y)(x2
${x}^{2}$
+xy+y2
${x}^{2}$
)​

Answer 1

Step-by-step explanation:

$x = 3$

$y = 2$

substitute value of x and y

$(x - y)(x {}^{2} - xy + {y}^{2} )$

$(3 - 2)( {3}^{2} - 3 \times 2 + {2)}^{2}$

$1(9 - 6 + 4)$

$= 7$

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