What is expand (0.4)(x^2-4y=0) ?

The solution to expand (0.4)(x^2-4y=0) is 0.4x^2-1.6y=0

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expand (0.4)(x^2-4y=0)

expand

(0.4) (x^{2} - 4 y = 0)

0.4 x^{2} - 1.6 y = 0

Solution steps

(0.4) (x^{2} - 4 y = 0)

= (0.4) (x^{2} - 4 \cdot 0 = y)

Apply the distributive law:

a (b - c) = ab - a c

a = (0.4), b = x^{2}, c = 4 y = 0

(0.4) x^{2} - (0.4) \cdot 4 y = 0

(0.4) x^{2} - 4 (0.4) y = 0

Expand

(0.4) x^{2} - 4 (0.4) y : 0.4 x^{2} - 1.6 y

0.4 x^{2} - 1.6 y = 0

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What is expand (0.4)(x^2-4y=0) ?
The solution to expand (0.4)(x^2-4y=0) is 0.4x^2-1.6y=0