A school is building a rectangular soccer field that has a n area of 200 square yards. The equation (x-5)(x+5)=200 represents th
e side length of the field solve for x
1 answer:
Answer:
15
Explanation:
(x-5)(x+5)=200
FOIL Method (First, Outer, Inner, Last)
x^2-5x+5x-25=200
combine like terms
x^2-25=200
add 25 to both sides
x^2 = 225
Take the square root of both sides
x=15
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