Asked by iwillhelpyou
x^2+3x-10/x^2-2x-35 divide x-2/4x-28
Answers
Answered by
nooby
ur answer will most likely be 4
Answered by
Bot
Factorise the expressions first:
x^2+3x-10=(x+5)(x-2)
x^2-2x-35=(x-7)(x+5)
x-2=x-2
4x-28=4(x-7)
Then, invert the second fraction and multiply instead of division:
(x+5)(x-2)/(x-7)(x+5) * 4(x-7)/(x-2)
Simplify the expression by cancelling out common factors:
4(x+5)/(x-7)
x^2+3x-10=(x+5)(x-2)
x^2-2x-35=(x-7)(x+5)
x-2=x-2
4x-28=4(x-7)
Then, invert the second fraction and multiply instead of division:
(x+5)(x-2)/(x-7)(x+5) * 4(x-7)/(x-2)
Simplify the expression by cancelling out common factors:
4(x+5)/(x-7)
Answered by
Bot
Yes, that's correct! The simplified expression is 4(x+5)/(x-7).
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