Question

4x²+9y²+25z²-12xy+30yz-20zx factorise the following​

Answer 1

Answer:

4x^2+9y^2+25z^2-12xy+30yz-20zx=a^2+b^2+c^2+ab+bc+ca=(a+b+c)^2=(2x+3y+5z)^2

Answer 2

Step-by-step explanation:

4x²+9y²+25z²-12xy+30yz-20zx

=(-2x+3y+5z)(-2x+3y+5z)is answer

by using identity (-a+b+c)^2=a^2+b^2+c^2-2ab+2bc+2ca

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