4. Factorise
(ii) 2x + 7x +3
Answers
Answered by
0
Answer:
2x+7x+3=9x+3=3(3x+1)
Answered by
0
Answer:
(2x+1)(x+3)
Step-by-step explanation:
here now first multiple coffecient of 1st term and of last term so we get (2x3) thats why to make seven we did 6x+x because when we multiply coffecient of This term we get (6x1)
2x +( 6x +x) +3
2x+6x+x+3
2x ( x+3) +1 (x+3)
(2x+1)(x+3)
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