Question

all formulas of polynomials class 9 ​

Answer 1

this is the formula is it ok

if not pls don't mind it

Answer 2

ANSWER :-

1) x²-y²= (x-y)(x+y)

2) (x+a) (x+b) = x²+(a+b)x+ab

3) (x+y)³ = x³+y³+3xy(x+y)

4) (x+y+z)² = x²+y²+z²+2xy+2yz+2zx

5) (x-y) = x³-y³-3xy(x-y)

plz follow

me

explane step by step:-