factorise 9x2+6x+1-25y2
Answers
Answered by
67
9x^2+6x+1-25y^2
=(3x)^2+1+(2 X 3x X 1)-(5y)^2
=(3x+1)^2- (5y)^2
=(3x+1+5y)(3x+1-5y)
Answered by
36
9x^2+6x+1-25y^2
=(3x)^2+1+(2 X 3x X 1)-(5y)^2
=(3x+1)^2- (5y)^2
=(3x+1+5y)(3x+1-5y)
Similar questions