Question

Q.2 True and false

a.( 9x -51)÷ 9 is x -51

b. HCF of 4x^2
+ 12 is 4

c. p^2
-q^2= (p + q)(p +q )

d. (a+b)^2=a^2

-2ab+b^2

e. a
^2
-9=(a+3) (a-3)​

Answer 1

Answer:

it's True answer Mr. Hero I Am learning