Simplify the Expression $$\left( 20 z ^ { 2 } + 10 z + 6 \right) + \left( 9 z ^ { 2 } + 9 z + 1 \right)$$

question 19

Multiple Choice

Simplify the expression. $$\left( 20 z ^ { 2 } + 10 z + 6 \right) + \left( 9 z ^ { 2 } + 9 z + 1 \right)$$

• A) \(29 z ^ { 2 } + 10 z + 7\)
• B) \(29 z ^ { 2 } + 19 z + 7\)
• C) \(29 z ^ { 2 } + 19 z\)
• D) \(20 z ^ { 2 } + 19 z + 7\)
• E)none of these

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