Step-by-step explanation:
firstly do middle term splitting then find the value of x
Answer:
- 2 (x + 4) (x - 7)
- 2 x² +6 x +56
= -2 (x² - 3 x -28), - 28 = - 7 × 4
= -2 × [ x² - 7 x + 4 x -28 ]
= - 2 × [ x(x - 7) + 4 ( x - 7 ) ]
= - 2 [ (x + 4) (x - 7) ]
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Verified answer
Step-by-step explanation:
firstly do middle term splitting then find the value of x
Answer:
- 2 (x + 4) (x - 7)
Step-by-step explanation:
- 2 x² +6 x +56
= -2 (x² - 3 x -28), - 28 = - 7 × 4
= -2 × [ x² - 7 x + 4 x -28 ]
= - 2 × [ x(x - 7) + 4 ( x - 7 ) ]
= - 2 [ (x + 4) (x - 7) ]