What is 7x(5-y)-3(9x+2)-4xy ?

The solution to 7x(5-y)-3(9x+2)-4xy is 8x-11xy-6

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simplify 7x(5-y)-3(9x+2)-4xy

simplify

7 x (5 - y) - 3 (9 x + 2) - 4 x y

8 x - 11 x y - 6

Solution steps

7 x (5 - y) - 3 (9 x + 2) - 4 x y

Expand

7 x (5 - y) : 35 x - 7 x y

= 35 x - 7 x y - 3 (9 x + 2) - 4 x y

Expand

- 3 (9 x + 2) : - 27 x - 6

= 35 x - 7 x y - 27 x - 6 - 4 x y

Group like terms

= 35 x - 27 x - 7 x y - 4 x y - 6

Add similar elements:

35 x - 27 x = 8 x

= 8 x - 7 x y - 4 x y - 6

Add similar elements:

- 7 x y - 4 x y = - 11 x y

= 8 x - 11 x y - 6

24 a + 48 b

\frac{14 x + 5}{9} + \frac{4 - 5 x}{9}

s s^{3}

(4 x^{2} - 6 x + 1) - (5 x^{2} + 8 x + 6)

\frac{7 x ^{2}}{x ^{3}}