10x²-9x-7 factorise it
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Answered by
21
10x^2-9x-7=0
10x^2-14x+5x-7=0
2x(5x-7)+1(5x-7)=0
(2x+1)(5x-7)=0
X=-1/2,7/5
-1/2 and 7/5
10x^2-14x+5x-7=0
2x(5x-7)+1(5x-7)=0
(2x+1)(5x-7)=0
X=-1/2,7/5
-1/2 and 7/5
Answered by
0
Answer:
solution set ={-1/2,7/5}
Step-by-step explanation:
10x²-9x-7=0
10x²-14x-5x-7=0
2x(5x-7)+1(5x-7)=0
(2x+1),(5x-7)
x=-1/2,x=7/5
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