Factorise 9x²+33x+28
Answers
Answered by
3
Answer:
9x²+33x+28= (3x+4)(3x+7)
Step-by-step explanation:
9x²+33x+28
=9x²+21x+12x+ 28
= 3x(3x+7)+4(3x+7)
= (3x+4)(3x+7)
so 9x²+33x+28= (3x+4)(3x+7)
Answered by
3
( 3x +7 ) (3x + 4)
9x + 21 + 12+ 28
3x( 3x +7 ) + 4 ( 3x + 7)
(3x+4) (3x+7)
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