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Popular >

expand (4^x-3)^2

Solution

expand

(4^{x} - 3)^{2}

Solution

1 6^{x} - 6 \cdot 4^{x} + 9

Solution steps

(4^{x} - 3)^{2}

Apply Perfect Square Formula:

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

(4^{x} - 3)^{2} = (4^{x})^{2} - 2 \cdot 4^{x} \cdot 3 + 3^{2}

= (4^{x})^{2} - 2 \cdot 4^{x} \cdot 3 + 3^{2}

Simplify

(4^{x})^{2} - 2 \cdot 4^{x} \cdot 3 + 3^{2} : 1 6^{x} - 6 \cdot 4^{x} + 9

= 1 6^{x} - 6 \cdot 4^{x} + 9

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Frequently Asked Questions (FAQ)

What is expand (4^x-3)^2 ?
The solution to expand (4^x-3)^2 is 16^x-6*4^x+9