What is expand (a^2+b^2)(c^2+d^2) ?

The solution to expand (a^2+b^2)(c^2+d^2) is a^2c^2+a^2d^2+b^2c^2+b^2d^2

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expand (a^2+b^2)(c^2+d^2)

expand

(a^{2} + b^{2}) (c^{2} + d^{2})

a^{2} c^{2} + a^{2} d^{2} + b^{2} c^{2} + b^{2} d^{2}

Solution steps

(a^{2} + b^{2}) (c^{2} + d^{2})

Apply FOIL method:

(a + b) (c + d) = a c + a d + b c + b d

(a^{2} + b^{2}) (c^{2} + d^{2}) = a^{2} c^{2} + a^{2} d^{2} + b^{2} c^{2} + b^{2} d^{2}

= a^{2} c^{2} + a^{2} d^{2} + b^{2} c^{2} + b^{2} d^{2}

4 x^{2} - 25 y^{4}

(5 x + 7) (5 x + 7)

\frac{2.001 - 2}{2.00 1 ^{2} - 4}

a^{2} + 4 ab + 4 b^{2}

(3 z)^{4}

What is expand (a^2+b^2)(c^2+d^2) ?
The solution to expand (a^2+b^2)(c^2+d^2) is a^2c^2+a^2d^2+b^2c^2+b^2d^2