x2 - 14x + 49
(x - 7) (x - 7)
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To calculate the sum of 49 plus 49 plus 49 plus 49 plus 49, you would multiply 49 by 5, which equals 245. This is because addition is a form of repeated multiplication. So, 49 multiplied by 5 is 245.
The GCF (Greatest Common Factor) of 49 and 343 is 49. Since 49 is a factor of 343, it is automatically the GCF.
49x²+70x+25 = (7x+5)² since the root (-70/(2*49)) of the quadratic equations is -5/7 (discriminant = 70²-4*49*25 = 0)
A factor is a number that divides another number without leaving a remainder. In the equation 7x7=49, the number 7 is a factor because it divides evenly into 49, resulting in a whole number quotient of 7. Therefore, 7 is a factor of 49 in this case.
49 + 66 + 132 + 31 = 278