Question

If x=3 then find the value of x^2 + 3x​

Answer 1

Answer:

$\bf \purple{ x = 3}\\ \bf \: {x}^{2} + 3x \\ \bf \: {3}^{2} + 3(3) \\ \bf \: 9 + 9 \\ \bf \: 18$

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Answer 2

x= 3

${x = 3}^{2} = 3 \times 3$

= 9

$3x = 3 \times 3$

= 9

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