Question

( 9x - 3 ) (9x + 5)...........​

Answer 1

Answer:

I hope...

Step-by-step explanation:

By the identity ( x + a )( x + b ) =

x square + (a + b)x + ab

here ( 9x + -3 )( 9x + 5 ) = (9x)square + (-3 + 5) 9x + -3 × 5

So the answer is 81x square + 18x -15