PDF chapter test TRY NOW

Identify the errors and correct them.
 
(i) \(7y^2 - y^2 + 3y^2 = 10y^2\)
 
Correct answer: \(7y^2 - y^2 + 3y^2 =\) iii
 
(ii) \(6xy + 3xy = 9x^2y^2\)
 
Correct answer: \(6xy + 3xy =\) iii
 
(iii) \(m(4m - 3) = 4m^2 - 3\)
 
Correct answer: \(m(4m - 3) =\) iiiii
 
(Note: Enter the number followed by the variable and then its exponents.)