any shortcut to solve the following equation 98^2+?^2=149^2-78^2-737

this isan  apptitude question gotta do it in less than a minute
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1 Answer

no shorts

x^2=149^2 -78^2 -98^2 -737

=22,201 -6,084 -9604  -737

=5,776

=76^2
by

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