Question

(iii) (x-7)(x–9)=195 --Resolve.
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Answer 1

Answer:

x = 22 &- 6

Step-by-step explanation:

x ^2 -16x -132

( -b +- √b^2 -4ac)/2a

16 +- √ 256+528 / 2

16 + 28/ 2 & 16-28/2

22 & -6

hope it's helpful....

Answer 2

Step-by-step explanation:

(x-7)(x-9)=195

x^2 -16x + 63=195

x^2-16x - 132=0

x^2+6x-22x-132=0

x(x+6) -22(x+6) = 0

(x+6)(x-22) = 0

x+6=0 or x-22=0

x = -6 or x = 22