factorise to get value a^2+2a-3
Answers
Answered by
7
Answer:
a^2+2a_3
a^2+3a-1a-3
a(a+3)-1(a+3)
(a-1)(a+3)=0
a=1
Answered by
3
Answer:
a^2+3a-a-3
a(a+3)-1(a+3)
(a-1)(a+3)
Step-by-step explanation:
You have to solve it by splitting the middle term (quadratic equation)
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