What is expand (4ab+3a)^2 ?

The solution to expand (4ab+3a)^2 is 16a^2b^2+24a^2b+9a^2

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expand (4ab+3a)^2

expand

(4 ab + 3 a)^{2}

16 a^{2} b^{2} + 24 a^{2} b + 9 a^{2}

Solution steps

(4 ab + 3 a)^{2}

Apply Perfect Square Formula:

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

(4 ab + 3 a)^{2} = (4 ab)^{2} + 2 \cdot 4 ab \cdot 3 a + (3 a)^{2}

= (4 ab)^{2} + 2 \cdot 4 ab \cdot 3 a + (3 a)^{2}

Simplify

(4 ab)^{2} + 2 \cdot 4 ab \cdot 3 a + (3 a)^{2} : 16 a^{2} b^{2} + 24 a^{2} b + 9 a^{2}

= 16 a^{2} b^{2} + 24 a^{2} b + 9 a^{2}

(1.5 - x)^{2}

\frac{7}{4} + (- \frac{1}{5})

3.868 \cdot 1 0^{9}

75 x^{4} + 27 x^{4}

(- 0.7)^{2}

What is expand (4ab+3a)^2 ?
The solution to expand (4ab+3a)^2 is 16a^2b^2+24a^2b+9a^2