Question

47. 5y(3y + 2) – 5 નું સાદું રૂપ આપો અને y = 3 અને y = -1 માટે તેની કિંમત શોધો.





47. Give a simple form of 5y (3y + 2) - 5 and find its value for y = 3 and y = -1​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Step-by-step explanation:

I) 5y(3y+2)-5 (value of y=3)

=5×3(3×3+2)-5

=15(9+2)-5

=15×11(-5)

=165-5

=160.

II) 5y(3y+2)-5 (value of y=1)

=5×1(3×1+2)-5

=5(3+2)-5

=5×5(-5)

=25-5

=20.

Hope that this answer had helped you.