5x^(2)+14x+49

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int_(2)^(5) ([x^(2)+49-14x])/([x^(2)-14x+49]+[x^(2)])dx=

Factories: x ^(2) + 14x + 49

If log_(2)[-1+sqrt(x^(2)-14x+49)]=4 , then x= ______

If (5x^(2)+14x +2)^(2)-(4x^(2) -5x +7)^(2) is divided by x^(2)+x+1 , then what is the remainder?

Let us factorise the following. x^2 + 14x + 49

Factorise the expression using the identity a ^(2) + 2 ab + b ^(2) = (a + b) ^(2) x ^(2) + 14x + 49

(4x - 7)^(2) = ? A. 4x^(2) - 56x +49 B. 4x^(2) - 14 x +49 C. 16 x^(2) +14 x +49 D. 16 x^(2) - 56x +49

If x=49 , then x^(3) - 5x^(2) - 2x - 6=?