Factorise: 4x^2-12xy+16+9y^2-24y+16x
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Step-by-step explanation:
4x²+9y²+16-12xy+16x-24y
(2x)²+(-3y)²+4²+(2*2x*-3y)+(2*2x*4)+(2*4*-3y)
{now a²+b²+c²+2ab+2bc+2ca=(a+b+c)²}
(2x-3y+4)²
(2x-3y+4)(2x-3y+4)
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Answer:
4x²+12xy+9y²+16x+24y+16
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