What is simplify-2(4x-15)-3(5x^2+7x+6) ?

The solution to simplify-2(4x-15)-3(5x^2+7x+6) is -15x^2-29x+12

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simplify-2(4x-15)-3(5x^2+7x+6)

simplify

- 2 (4 x - 15) - 3 (5 x^{2} + 7 x + 6)

- 15 x^{2} - 29 x + 12

Solution steps

- 2 (4 x - 15) - 3 (5 x^{2} + 7 x + 6)

Expand

- 2 (4 x - 15) : - 8 x + 30

= - 8 x + 30 - 3 (5 x^{2} + 7 x + 6)

Expand

- 3 (5 x^{2} + 7 x + 6) : - 15 x^{2} - 21 x - 18

= - 8 x + 30 - 15 x^{2} - 21 x - 18

Group like terms

= - 15 x^{2} - 8 x - 21 x + 30 - 18

Add similar elements:

- 8 x - 21 x = - 29 x

= - 15 x^{2} - 29 x + 30 - 18

Subtract the numbers:

30 - 18 = 12

= - 15 x^{2} - 29 x + 12

1 \frac{4}{7}

\frac{2 - i}{3 + 2 i}

(3 y - 2)^{3}

\frac{1}{x + 2} + \frac{1}{x + 3}

\frac{1}{x + 2} + \frac{1}{x - 2}

What is simplify-2(4x-15)-3(5x^2+7x+6) ?
The solution to simplify-2(4x-15)-3(5x^2+7x+6) is -15x^2-29x+12