Question

(3x+4)(3x-5) by identity​

Answer 1

Step-by-step explanation:

(3x+4)(3x-5)

Using identity

(x+a)(x+b)= x²+(a+b)x+ab

(3x+4)(3x-5)= (3x)²+(4-5)x+4×(-5)

= 9x²-1x-20

Answer 2

Vanshika's answer is wrong cuz in the last step it should be (4-5)3x not (4-5)x

Please mark as brainliest

Step-by-step explanation:

Hope it helps

Refer attachment for your answer