is (3x+5)(3x-7)=9x²+ax+b, then a=_____ and b =___
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Answered by
1
Step-by-step explanation:
(3x+5)(3x-7)=9x^2+ax+b
9x^2+8x+21x+35
9x^2+29x+35
a=29 & b=35
Answered by
0
Answer:
Step-by-step explanation:
9x^2-21x+15x-35= 9x^2+ax+b
9x^2-6x-35=9x^2+ax+b
By comparing
a=-6 and b=-35
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