What is expand (4a^{1/2}+3)(2a^{1/2}-1) ?

The solution to expand (4a^{1/2}+3)(2a^{1/2}-1) is 8a+2a^{1/2}-3

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expand (4a^{1/2}+3)(2a^{1/2}-1)

expand

(4 a^{\frac{1}{2}} + 3) (2 a^{\frac{1}{2}} - 1)

8 a + 2 a^{\frac{1}{2}} - 3

Solution steps

(4 a^{\frac{1}{2}} + 3) (2 a^{\frac{1}{2}} - 1)

Apply FOIL method

(4 a^{\frac{1}{2}} + 3) (2 a^{\frac{1}{2}} - 1) : 8 a + 2 a^{\frac{1}{2}} - 3

= 8 a + 2 a^{\frac{1}{2}} - 3

5 cos (6 (t - 2)) u (t - 2)

\frac{( x - 1 ) ( x - 2 ) ( x - 4 ) ( x - 5 )}{40}

\frac{4 x - 19}{4 ( x - 5 )}

\frac{2 x}{( x ^{2} + 1 ) ^{2} ( s + 1 )}

What is expand (4a^{1/2}+3)(2a^{1/2}-1) ?
The solution to expand (4a^{1/2}+3)(2a^{1/2}-1) is 8a+2a^{1/2}-3