Question

Correct the following if there is any mistake. a.(7+2y)^(2)=49+4y^(2)​

Answer 1

Step-by-step explanation:

you can write the equation

(7+2y)*(7-2y)

=>49-4y^2

This equation is correct.

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Answer 2

Answer:

no it is wrong

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Using the formula$(a+b)^{2} =a^{2} +b^{2} +2ab$

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the correct answer is....$49+(4y^{2}) +(2*(7*2y))$

=$49 +4y^{2} +28y$Answer

Step-by-step explanation:

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