2(x + 7)(x - 7)
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The Greatest Common Factor of 42, 56, 98: 14
It is: 49
To solve this problem using algebraic equations :Set the variable x as the width of the gardenThe length of the garden becomes 2x + 4 (4 feet more than twice X).The perimeter is equal to twice the length plus twice the width P = 2L + 2Wand has the value 98 feet.Substituting the terms for length and width,98 = 2 L + 2 W so 2(2x+4) + 2(x) = 982(2x+4) + 2 (x) = 984x + 8 + 2x = 986x = 90x = 15 and 2x+4 = 34The width is 15 feet, the length is 34 feet.Verifying, you have 15+15+34+34 = 98
Don't have a common factor greater than 1.
The greatest common factor (GCF) is often also called the greatest common divisor (GCD) or highest common factor (HCF). Keep in mind that these different terms all refer to the same thing: the largest integer which evenly divides two or more numbers.The greatest common factor of 70, 98, and 154 is 14.