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Popular >

expand (2x^2+5)^2

Solution

expand

(2 x^{2} + 5)^{2}

Solution

4 x^{4} + 20 x^{2} + 25

Solution steps

(2 x^{2} + 5)^{2}

Apply Perfect Square Formula:

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

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

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

Simplify

(2 x^{2})^{2} + 2 \cdot 2 x^{2} \cdot 5 + 5^{2} : 4 x^{4} + 20 x^{2} + 25

= 4 x^{4} + 20 x^{2} + 25

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Frequently Asked Questions (FAQ)

What is expand (2x^2+5)^2 ?
The solution to expand (2x^2+5)^2 is 4x^4+20x^2+25