What is (sqrt(a)-7)^2 ?

The solution to (sqrt(a)-7)^2 is a-14sqrt(a)+49

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simplify (sqrt(a)-7)^2

simplify

(a - 7)^{2}

a - 14 a + 49

Solution steps

(a - 7)^{2}

Apply Perfect Square Formula:

(a - b)^{2} = a^{2} - 2 ab + b^{2}

(a - 7)^{2} = (a)^{2} - 2 a \cdot 7 + 7^{2}

= (a)^{2} - 2 a \cdot 7 + 7^{2}

(a)^{2} = a

- 2 a \cdot 7 = - 14 a

7^{2} = 49

= a - 14 a + 49

\frac{n + 3}{( n + 1 ) ^{2}}

a (18, 4) b (11, 2) c (- 3, - 2)

(csc (x) - cot (x)) (1 + cos (x)) cot (x)

5 t (x) x^{^{''}} + (t (x) - 10) x^{^{'}} - x

A (2, - 3)