Question

5. Simplify the following: (i) 3.2 + 4x (3x - 4y) - 20 xy​

Answer 1

Answer:

3x2+ 4x(3x-4y) -20xy

6+12x^2-16xy-20xy

6+12x^2-36xy

Step-by-step explanation:

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Answer 2

Given,

$3.2+4x(3x-4y)-20xy$

We have to simplify the given expression,

First we have to use distribution property of multiplication, to split $4x(3x-4y)$

$3.2+4x(3x-4y)-20xy$

$3.2+4x\times3x-4x\times4y-20xy$

$3.2+12x^{2} -16xy-20xy$

$12x^{2} -36xy+3.2$

Therefore, the answer is $12x^{2} -36xy+3.2$.