Question

factorise x²-8x-175
please help me fast
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Answer 1

Answer:

4 ± 13.82

Step-by-step explanation:

x²- 8x - 175

Using Quadratic formula ,

x = [ -b ± √(b² - 4ac) ]/2a

x = [ -(-8) ± √(-8² - 4(1)(-175))]/2(1)

x = [8 ± √(64 + 700)]/2

x = [8 ± √764]/2

x = (8 ± 27.64)/2

x = 8/2 ÷ 27.64/2

x = 4 ± 13.82