Question

If x = 2 and y = 3, find the value of x2- 7xy plus y2​

Answer 1

$x = 2 \\ y = 3 \\ \\ x ^{2} - 7xy + y ^{2} \\ 2^{2} - 7(2)(3) + 3^{2} \\ 4 - 42 + 9 \\ 4 - 51 \\ - 47$

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Answer 2

Answer:

(2×2)-(7×2×3)+(3×3) = 4-42+9 =

Step-by-step explanation:

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