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By determining the area of the square, we get
Step-by-step explanation:
Step 1:
The area of a square is given by squaring its side length.
The given squares side length is cm.
The area of a square Here a is the side length.
The area of the square is given as 7 cm².
Step 2:
Substituting the value of a in the equation, we get
Taking the x values on one side and the constants on the other side, we get
So
So it has been proved.