Evaluate
2a\left(a+28\right)
Factor
2a\left(a+28\right)
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2a^{2}+56a+22500\times 0
Calculate 150 to the power of 2 and get 22500.
2a^{2}+56a+0
Multiply 22500 and 0 to get 0.
2a^{2}+56a
Anything plus zero gives itself.
2\left(a^{2}+28a\right)
Factor out 2.
a\left(a+28\right)
Consider a^{2}+28a. Factor out a.
2a\left(a+28\right)
Rewrite the complete factored expression.
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