1. Use suitable identities to find the following products:
1. (3x+4)(3x-5)
Answers
Answered by
0
Answer:
(3x+4)(3x-5)
3x(3x-5)+4(3x-5)
9x^2-15x+12x-20
9x^2-3x-20
Step-by-step explanation:
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Answered by
2
Answer:
9x²-3x-20
Step-by-step explanation:
Using Identity- (x+a)(x+b)= x²+(a+b)x + ab
(3x+4)(3x-5)
(3x)² + (4-5)x + (4)(-5)
9x²-3x-20
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