Question

7. Solve by using extracting square roots 4a²-25= 0

pa answer po rn
w solution po​

Answer 1

`4a^(2) -25=0\\(2a-5)(2a+5)=0\\2a-5=0 \\or 2a+5=0\\\\a=(5)/(2) \\\\or\\\\a=-(5)/(2)`

IF YOU CHECK CAREFULLY YOU WILL FIND THAT THIS EQAUTION IS MADE OF DIFFERENCE OF SQUARES.

GOODLUCK!!