What is expand (m^2-m-1)(m^2+m-1) ?

The solution to expand (m^2-m-1)(m^2+m-1) is m^4-3m^2+1

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expand (m^2-m-1)(m^2+m-1)

expand

(m^{2} - m - 1) (m^{2} + m - 1)

m^{4} - 3 m^{2} + 1

Solution steps

(m^{2} - m - 1) (m^{2} + m - 1)

Distribute parentheses

= m^{2} m^{2} + m^{2} m + m^{2} (- 1) - m m^{2} - mm - m (- 1) - 1 \cdot m^{2} - 1 \cdot m - 1 \cdot (- 1)

Simplify

m^{2} m^{2} + m^{2} m + m^{2} (- 1) - m m^{2} - mm - m (- 1) - 1 \cdot m^{2} - 1 \cdot m - 1 \cdot (- 1) : m^{4} - 3 m^{2} + 1

= m^{4} - 3 m^{2} + 1

24 x^{4} + 36 x^{3} y - 60 x^{2} y^{2}

14 \cdot 35

\frac{1}{5} \cdot \frac{1}{6}

(5 \cdot 1 0^{- 10})^{2}

What is expand (m^2-m-1)(m^2+m-1) ?
The solution to expand (m^2-m-1)(m^2+m-1) is m^4-3m^2+1