2. factorise
4x² +9y2 - 12xy
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12
Step-by-step explanation:
4x² + 9y² - 12xy
4x² - 12xy + 9y²
4x² - 6xy - 6xy + 9y²
2x(2x - 3y)-3y(2x - 3y)
(2x - 3y)(2x - 3y)
(2x - 3y)²
Answered by
0
Answer:
(2x)^2+(3y)^2-(2×2x×3y)
(2x-3y)^2
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