Factorise
4x² + 12xy +9y² – z²
Answers
Answered by
2
4x² - 12xy + 9y²
= (2x)² + (3y)² - 2(2x)(3y)
= (2x - 3y)²
= (2x - 3y)(2x - 3y) Ans.
Answered by
18
Step-by-step explanation:
(2x)^2+2*2x*3*y+(3y)^2-z^2
(2x+3y)^2-(z)^2
(2x+3y+z)(2x+3y-z)
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