Question

Solve:2(7y + z)(3y + 5z)

Polynomials
ANSWERED
asked 2021-02-11

Solve:  \(2(7y + z)(3y + 5z)\)

Answers (1)

2021-02-12

\(2(7y + z)(3y + 5z) = 2\times (7y \times 3y + 7y \times 5z + z \times 3y + z \times 5z) \)

\(= 2 (21y^2 + 35yz + 3yz + 5z^2)\)

\(= 41y^2 + 70yz + 6yz + 10z^2\)

\(= 41y^2 + 76yz + 10z^2\)

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