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anonymous

  • 5 years ago

the length of a rectangular garden is 7 m greater than the width. The area is 78m2. find the length and width

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  1. anonymous
    • 5 years ago
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    A=l*w 72=w*(7+w) 72=7w+w^2 w^2+7w-71=0 can you do it from now?

  2. anonymous
    • 5 years ago
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    sorry 78

  3. anonymous
    • 5 years ago
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    hmm. is that to find both?

  4. anonymous
    • 5 years ago
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    A=l*w 78=w*(7+w) 78=7w+w^2 w^2+7w-78=0

  5. anonymous
    • 5 years ago
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    factor will find w

  6. anonymous
    • 5 years ago
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    im really bad at factoring.

  7. anonymous
    • 5 years ago
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    (w+13)(w-6) w=-13 or w=6 the measure can not negative than width =6 , length =6+7=13 check: 13*6 =78

  8. anonymous
    • 5 years ago
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    so length is 13 and w is 78??

  9. anonymous
    • 5 years ago
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    wait, width is 6

  10. anonymous
    • 5 years ago
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    length is 6+7 so its 13

  11. anonymous
    • 5 years ago
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    w for width l for length width =6 length =13 Area = 6*13=78

  12. anonymous
    • 5 years ago
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    length is 6+7 so its 13, yes

  13. anonymous
    • 5 years ago
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    ahhhh yes. thaks

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