Math, asked by nileshrathod39, 11 months ago

(3) (7x2 - 20x + 13) = (x - 1)

Answers

Answered by ProfRichards

1

7 two’s are 14
So, (14-20x+13)(3)=x-1
Multiply
42-60x+39=x-1
Add sixty x on both sides
So 42+39=61x-1
81+1=61x
=)x=82/61

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