Factored form x^2 - 4x - 21?

ANSWERS:

2

−

4

−

2

1

x^{2}-4x-21

x2−4x−21

Grouping

1

Use the sum-product pattern

2

−

4

−

2

1

x^{2}{\color{#c92786}{-4x}}-21

x2−4x−21

2

+

3

−

7

−

2

1

x^{2}+{\color{#c92786}{3x}}{\color{#c92786}{-7x}}-21

x2+3x−7x−21

2

Common factor from the two pairs

3

Rewrite in factored form

Solution

(

−

7

)

(

+

3

)

i want to die

what the hell man, i just want the points lol

15

step-by-step explanation:

we are given the following expression and we are to solve it and find the product:

-13 × (-5)

solving the given expression in the standard order of solving a mathematical expression, beginning with the opening of brackets and then multiplying the terms and changing their signs.

-3 × -5 = 15 (answer is positive because when negative is multiplied with negative, it gives a positive answer)