Answer:
Suitable identity is (x+a)(x+b)=x
2
+(a+b)x+ab
(3x+4)(3x−5)=(3x)
+(+4−5)3x+(4×−5)
9x
+(−1)3x+(−20)
−3x−20
answer is given in the attachment to u
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Answers & Comments
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
Answer:
answer is given in the attachment to u