Factorise 2 x square - 2x - 84
Answers
Answered by
0
Answer:
Answered by
19
2x² - 2x - 84
Dividing by 2 , we get...
x² - x - 42
= x² - 7x + 6x - 42
= x(x-7) + 6(x-7)
= (x+6)(x-7)
Factors are (x+6) and (x-7)
Similar questions