What is 4.123a(-2a-2a)+20b ?

The solution to 4.123a(-2a-2a)+20b is -16.492a^2+20b

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simplify 4.123a(-2a-2a)+20b

simplify

4.123 a (- 2 a - 2 a) + 20 b

- 16.492 a^{2} + 20 b

Solution steps

4.123 a (- 2 a - 2 a) + 20 b

Add similar elements:

- 2 a - 2 a = - 4 a

= 4.123 a (- 4 a) + 20 b

Apply rule:

a (- b) = - ab

4.123 a (- 4 a) = - 4.123 a \cdot 4 a

= - 4.123 a \cdot 4 a + 20 b

Simplify

- 4.123 a \cdot 4 a : - 16.492 a^{2}

= - 16.492 a^{2} + 20 b

f (x) x - 1

\frac{s}{2 + 3}

2^{2} x - (1_{4}^{x})^{2} + 3

(2^{2} x^{2})^{2}

\frac{( x ^{2} - 1 )}{( 3 x + 1 - 2 )}

What is 4.123a(-2a-2a)+20b ?
The solution to 4.123a(-2a-2a)+20b is -16.492a^2+20b