Question

Q2. Find and correct the errors in the following mathematical statements.
(a) 3x + 2x = 5x 2
(b) (3x + 2) 2 = 3x 2 + 6x + 4
( c) (4x + 2) 2 = 2x 2 + 16x + 4
(d) (y + 6) 2 = y 2 + 36
(e) (3x) 2 + 5x = 9x + 5x = 14x

Answer 1

Answer:

D or E

I feel E only because 3x²+5x = 9x +5x=14x

Answer 2

Answer:

(a) 3x+5x=5x2

8x=5x2

8x-5x=2

3x=2

x=2/3 ans 2by 3 ans