Find and correct the errors in the statement: (a + 4) (a + 2) = a2 + 8
L.H.S. = (a + 4) (a + 2) = (a)2 + (4 + 2) (a) + 4 × 2
= a2 + 6a + 8 ≠ R.H.S
The correct statement is (a + 4) (a + 2) = a2 + 6a + 8
Find and correct the errors in the statement: (a − 4) (a − 2) = a2 − 8