Ten times the square of a non-zero number is equal to eighty times the number?

Science & Mathematics by Anonymous 2018-07-15 17:34:06

Social Science

6 answers

Anonymous

10x^2 = 80x x^2 = 8x x = 8
Anonymous

10*x^2 = 8*x 10x=8 x=0.8
Anonymous

10 x^2 = 80 x 10x [ x - 8 ] = 0 x = 0 , x = 8
Anonymous

10x^2 = 80x x = 8
Anonymous

n≠0 10n² = 80n n² = 8n n²-8n = 0 n(n-8) = 0 n = 8 or 0 (reject)
Anonymous

"Ten times the square of a non-zero number" 10x^2 " is equal to" = " eighty times the number" 80x 10x^2 = 80x 10x^2 - 80x = 0 x(10x - 80) = 0 Either x = 0 (but you were told it doesn't) or 10x - 80 = 0