Question

Factorise x2 -15x- 76​

Answer 1

Answer:

How to solve your question

Your question is

2

−

1

5

−

7

6

x^{2}-15x-76

x2−15x−76

Grouping

1

Use the sum-product pattern

2

−

1

5

−

7

6

x^{2}{\color{#c92786}{-15x}}-76

x2−15x−76

2

+

4

−

1

9

−

7

6