Find and correct the errors in the following mathematical statements.
${(2 x)}^{2} + 5 x = 0$

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Solution

$(2 x)^{2} + 5 x = 0$
Here, the right hand side will not be zero.
The correct statement will be :
$(2 x)^{2} + 5 x = 4 x^{2} + 5 x$

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Similar questions

{(2 x)}^{2} + 4 (2 x) + 7 = 3 x^{2} + 8 x + 7 5 y + 2 y + y - 7 y = 0

(2 x)^{2} + 4 (2 x) + 7 = 2 x^{2} + 8 x + 7

(2 x)^{2} + 5 x = 4 x + 5 x = 9 x

x (3 x + 2) = 3 x^{2} + 2 5 y + 2 y + y - 7 y = 0

x + 2 x + 3 x = 5 x

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