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Need help with 2 equations. Simple / Complex Familiar. SOLVE equation
i dont know if we're allowed to digitally graph, but thanks for the extra solution im such a dummy i was thinking that 5x4 was 80 which threw off my working out lol- imogens
- Post #4
- Forum: Mathematics Standard
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I
Need help with 2 equations. Simple / Complex Familiar. SOLVE equation
1. (x+5)(x-4)=0 x^2 -4x+5x-20=0 x^2+x-20=0 x^2+x=20 x^2=20-x x=4 2. x^2-8x+15=0 x^2+15=8x x^2=8x-15 x=3- imogens
- Post #2
- Forum: Mathematics Standard
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