Question

8x² - 22x - 21
factorise

Answer 1

Step-by-step explanation:

8x²-22x-21 = 0

8x²-28x+6x-21 = 0

4x(2x-7)+3(2x-7) = 0

(4x+3)(2x-7) = 0

x = -3/4 , 7/2

Answer 2

Answer:

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