please solve these equations...
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ParthThakre9965:
you want solutions only or total factorisations?
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1. x^2-9x+2x-18=0
x(x-9)+2(x-9)=0
(x-9)(x+2)=0
x=9,-2
2. x^2-15x-3x+45=0
x(x-15)-3(x-15)=0
(x-15)(x-3)=0
x=15,3
3. 3x^2-9x-5x+15=0
3x(x-3)-5(x-3)=0
(x-3)(3x-5)=0
x=3,5/3
4. 2x^2-6x-6x+18=0
2x(x-3)-6(x-3)=0
(x-3)(2x-6)=0
x=3,6/2
x=3,3
5. 4x^2-10x+2x-5=0
2x(2x-5)+1(2x-5)
(2x-5)(2x+1)=0
x=5/2,-1/2 are answers
x(x-9)+2(x-9)=0
(x-9)(x+2)=0
x=9,-2
2. x^2-15x-3x+45=0
x(x-15)-3(x-15)=0
(x-15)(x-3)=0
x=15,3
3. 3x^2-9x-5x+15=0
3x(x-3)-5(x-3)=0
(x-3)(3x-5)=0
x=3,5/3
4. 2x^2-6x-6x+18=0
2x(x-3)-6(x-3)=0
(x-3)(2x-6)=0
x=3,6/2
x=3,3
5. 4x^2-10x+2x-5=0
2x(2x-5)+1(2x-5)
(2x-5)(2x+1)=0
x=5/2,-1/2 are answers
Thnks alot
it's ok
Answered by
1
this is the answer for your question.
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Thnk uh Soo much
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