Question: Simplify the expression. 7 sqrt ( 20 *z). + 45 *z Enter the exact answer. To enter a square root, use sqrt. For example, to

Simplify the expression.

7 sqrt(20*z). + 45*z

Enter the exact answer.

To enter a square root, use "sqrt". For example, to enter2x

, type in sqrt(2*x).

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