CAN SOMEONE MULTIPLY THIS PLEASE, ITS URGENT

asked Jul 1, 2023 13.1k views

20 votes

by Zooba

8.0k points

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8 votes

Let's factorise it :

$\: {\qquad \dashrightarrow \sf ( {x}^(3) - 5)(x + 3) }$

$\: {\qquad \dashrightarrow \sf {x}^(3) (x + 3) + [-5(x + 3)] }$

Using Distributive property we get :

$\: {\qquad \dashrightarrow \sf {x}^(3) + {3x}^(3) + ( - 5x - 15) }$

$\: {\qquad \dashrightarrow \sf {x}^(3) + {3x}^(3) - 5x - 15 }$

$\: {\qquad \dashrightarrow \sf 4{x}^(3) - 5x - 15 }$

⠀

Therefore,

$\: {\qquad \dashrightarrow \sf ( {x}^(3) - 5)(x + 3) =4{x}^(3) - 5x - 15}$

MLSC answered Jul 5, 2023

by MLSC

7.3k points

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