Question

(14-2x)(12-2x) = 99
Solve for x. ​

Answer 1

Answer:

x=23/2 or 3/2

Step-by-step explanation:

(14-2x)(12-2x)=99

or,(14×12)-{14 × (2x)} - {(2x)×12} +{(2x) × (2x)}=99

or,168-28x-24x+4x²=99

or,168-52x+4x²=99

or,4x²-52x+(168-99)=0

or,4x²-52x+69=0

or,4x²-(46+6)x+69=0

or,4x²-46x-6x+69=0

or,2x(2x-23)-3(2x-23)=0

or,(2x-23)(2x-3)=0

so,2x-23=0

or,2x=23

or,x=23/2

&, 2x-3=0

or,2x=3

or,x=3/2

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