Question

what must be added to 64x^2 + 49x + 5 TO MAKE A PERFECT SQUARE

Answer 1

Answer:

64x²+49x+5 put x = 4 then we get a perfect square.

see this

64(4)²+49(4)+5 = 64×16+49×4+5 = 1024+196+5 = 1225 = √1225 = 35

35² = 1225 so it's a perfect square.{So x=4}