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Popular >

expand 3(x+5)^2

Solution

expand

3 (x + 5)^{2}

Solution

3 x^{2} + 30 x + 75

Solution steps

3 (x + 5)^{2}

Expand

(x + 5)^{2} : x^{2} + 10 x + 25

= 3 (x^{2} + 10 x + 25)

Apply the distributive law:

m (a + b + c) = ma + mb + m c

3 (x^{2} + 10 x + 25) = 3 x^{2} + 3 \cdot 10 x + 3 \cdot 25

= 3 x^{2} + 3 \cdot 10 x + 3 \cdot 25

Simplify

3 x^{2} + 3 \cdot 10 x + 3 \cdot 25 : 3 x^{2} + 30 x + 75

= 3 x^{2} + 30 x + 75

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Frequently Asked Questions (FAQ)

What is expand 3(x+5)^2 ?
The solution to expand 3(x+5)^2 is 3x^2+30x+75