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Popular >

simplify (-3y)^2

Solution

simplify

(- 3 y)^{2}

Solution

9 y^{2}

Solution steps

(- 3 y)^{2}

Apply exponent rule:

(- a)^{n} = a^{n},

if

n

is even

(- 3 y)^{2} = (3 y)^{2}

= (3 y)^{2}

Apply exponent rule:

(a \cdot b)^{n} = a^{n} b^{n}

(3 y)^{2} = 3^{2} y^{2}

= 3^{2} y^{2}

3^{2} = 9

= 9 y^{2}

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Frequently Asked Questions (FAQ)

What is (-3y)^2 ?
The solution to (-3y)^2 is 9y^2