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Gemma Collins
Mathematics
9 November, 04:04
Solve by factoring
x squared-30=7x
+5
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2
)
Gianna
9 November, 04:17
0
X²-30=7x
x²-7x-30=0
something times something = - 30
something + something - 7
(x+3) (x-10) = 0
x = - 3 and 10
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Lailah Fitzpatrick
9 November, 04:26
0
X^2-30=7x
we will try to get it eqpal to zero
subtract 7x form both sdies
x^2-7x-30=0
factor because is xy=0 then x and/or y=0
so
find what 2 numbers add to - 7 and multiply to - 30
the numbers are - 10 and 3
(x-10) (x+3) = 0
so set them to zero
x-10=0
add 10
x=10
x+3=0
sbtract 3
x=-3
x=10 or - 3
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