factorise 3xsqure - x square- 4
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Answer:
x = 1/3 , -1
Step-by-step explanation:
3x² - x - 4
→ 3x² + 3x - 4x - 4
→3x(x + 1) -1(x + 1)
→ (3x - 1) (x + 1)
CASE I
3x - 1 = 0
3x = 1
x = 1/3
CASE II
x + 1 = 0
x = -1
Hope it helps you
Thanks
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