The complete square of the given polynomial is
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What is the completing the square method?</h3>
For solving the quadratic equation by completing the square, we first need to ensure that the constant of the square variable is unit.
Following are the steps involved
divide both side by 5
add 9 on both sides of the equations
Therefore we the complete square of the given polynomial is
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The number needed to complete the square is simply 4.
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P = 56 = 2l + 2w and l=2+w
56 = 2(2+w)+2w
56 = 4 + 2w + 2w
52 = 4w
w = 13 cm
l = 13+2
l = 15 cm
Answer:
Add 12+4
Step-by-step explanation: