Question

25xsquare+9y square-30xyFactorise the following

Answer 1

(5x)^2+(3y)^2- 2(5x)(3y)

${x}^{2} + {y}^{2} - 2xy = {x - y}^{2}$

(5x)^2+(3y)^2- 2(5x)(3y)=(5x-3y)^2

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