Question

Check the solutions after solving each equation.

$3 z^2-11 z-20=0$

Solution

VerifiedAnswered 2 years ago

Answered 2 years ago

Step 1

1 of 5We must solve the given equation, and then check our solution.

$\blue{3z^2} - 11z - 20 = 0$

Find two integers which multiplied give $\blue{3z^2}$.

The factors are $\bold{3z} \cdot \bold {z}$

Continue factoring:

$\begin{align*} 3z^2-11z-20 &= 0\\ (\bold{3z}+\_\_)(\bold {z}+\_\_)&=0 \end{align*}$

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