factorise 5x2+16x+3. by splliting the middle terms
Answers
Answered by
1
Answer:
don't know sorry
Step-by-step explanation:
keep smiling
Answered by
0
Answer:
Step-by-step explanation:
5x^2+x(15+1)+3
5x^2+15x+x+3
5x(x+3)+1(x+3)
(5x+1)(x+3)
5x+1=0
x=-1/5
or
x+3=0
x=-3
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