barobertshaw
barobertshaw barobertshaw
  • 11-09-2016
  • Mathematics
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how do i factorise this question? x²+x-30

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soyboro1405
soyboro1405 soyboro1405
  • 11-09-2016
X^2 + X -30
(X+6) (X-5) = 0
X=-6 , X= +5

for example, +6 X -5 = -30
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