Given: x+21=7(x+9) Find: x^2+5x

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Daniel Perez Alvarez asked May 2, 2022

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Given: x+21=7(x+9)
Find: x^2+5x

Mathematics
high-school

Daniel Perez Alvarez asked May 2, 2022

by Daniel Perez Alvarez

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Answer:

Explanation:

x+21=7(x+9)

x+21=7x+63

-6x=42

x=-7

(-7)^2+5(-7)

=49+(-35)

=49-35

=14

Ramu Pasupuleti answered May 9, 2022

by Ramu Pasupuleti

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