Math, asked by urvi1337, 9 months ago

4. If 7y + ky + 10 = (y + 5) (7y+2), then find the value of k.​

Answers

Answered by rajamallickraja19
7

Answer:

7y+ky+10=(y+5)(7 y+2)

=7y+ky+10=7y^2+2y+35y+10

0r,7y^2+37y-7y-ky=0

or,7y^2+30y-ky=0

or,y(7y+30-k)=0

0r,7y+30-k=0

then, k=7y+30

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