Question

find the error in this expressions​

Answer 1

Answer:

e) given 2a(x+1) + (x+1) = 2a(x+1)

correct answer will be (2a + 1)(x + 1)

f) given (3a + b) + 6a(3a+b) = 6a(3a + b)

Correct answer will be (6a +1)(3a+b)

h) 2x + 5x = 7x not 7x²

i) 4x × 3x = 12x² not 12x

j ) 7x + 3/3 = 7x/3 + 1 not 7x