Question

the square of a number is added to a number, the sum is 90. Find the number​

Answer 1

Answer:

81 + 9 = 90

81 is the square of 9 and 9 is the square of 3

that sums  up to 90

Step-by-step explanation:

hope it helps!!

stay happy :)

Answer 2

Answer:

Step-by-step explanation:

SOLN

GIVEN

X^2+X=90

X^2+X-90=0

X^2-9x+10x-90=0

X(X-9)+10(X-9)=0

(X-9)(X+10)=0

X=9 OR X= -10

HOPE THIS HELP YOU

SPREAD SMILE

MARK ME BRAINLIEST