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Popular >

expand (5x^2-3)^2

Solution

expand

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

Solution

25 x^{4} - 30 x^{2} + 9

Solution steps

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

Apply Perfect Square Formula:

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

(5 x^{2} - 3)^{2} = (5 x^{2})^{2} - 2 \cdot 5 x^{2} \cdot 3 + 3^{2}

= (5 x^{2})^{2} - 2 \cdot 5 x^{2} \cdot 3 + 3^{2}

Simplify

(5 x^{2})^{2} - 2 \cdot 5 x^{2} \cdot 3 + 3^{2} : 25 x^{4} - 30 x^{2} + 9

= 25 x^{4} - 30 x^{2} + 9

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Frequently Asked Questions (FAQ)

What is expand (5x^2-3)^2 ?
The solution to expand (5x^2-3)^2 is 25x^4-30x^2+9