Question

FACTORIES
4x²+9y²+16z²+12xy-16xy​

Answer 1

Step-by-step explanation:

4x^2+9y^2+16z^2+12xy-16xy-24xy

we use the identity (a+b+c) ^2=a^2+b^2+c^2+2ab+2bc+2ac

4x^2 + 9y^2 + 16z^2 + 12xy - 24yz - 16xz

(2x)^2+(3y)^2+(4z)^2+ 2 × 2x × 3y + 2 × 3y × (-4z) + 2 × 2x × (-4z)

(2x+3y+4z)^2

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