Solve the equation for all values of x by completing the square. 5x^2-70x=-230
2 answers:

solving step wise:

<u>divide the following by 5</u>

<u>completing square</u>
<u />
<u>should look like this</u>

<u>simplify by changing sides</u>

<u><em>final answer:</em></u>

Answer:


Step-by-step explanation:
Given equation:

Divide both sides by 5:

Square half of the coefficient of
: 
and add this to both sides:

Factor the left side and simplify the right side:

Square root both sides:

Add 7 to both sides:

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Now is you turn. You can do it!
Answer:
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Step-by-step explanation:
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"<span>A= 1/2 h (a+b) solve for h"
</span>
bh + 1/2h
Answer:
Given the problem, I believe your answer would be:
h(3)=144
h=48
Hope this helps!