# use suitable identities ot find the following products (3x+4) (3x-5)

## Answers

Answered by

0

**Answer:**

Suitable identity is (x+a)(x+b)=x

2

+(a+b)x+ab

(3x+4)(3x−5)=(3x)

2

+(+4−5)3x+(4×−5)

9x

2

+(−1)3x+(−20)

9x

2

−3x−20

Answered by

1

**Answer:**

*By** **Identity*

*(**3**x**)**²** **+** **(**4**-**5**)**x** **+** **4**★**-**5*

* ** **9**x**²** **-** **x** **-**2**0** ** ** ** ** *

*.**.**.**.**.**.** answer** of** this** *

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