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RideAnS [48]
3 years ago
8

Use the quadratic formula to solve the equation if necessary round to the nearest hundredth x^2+x-30=0

Mathematics
1 answer:
yaroslaw [1]3 years ago
6 0

Answer:

(x-5)(x+6)=0

Step-by-step explanation:

hehe i doing the smae unit rn.

if a=1 (which it does do ac factoring)

you need two numbers that multiply to -30 and add to 1. those numbers  are 5 and -6.

substitute 1x for -5x + 6x.

group the numbers into pairs and find their gcf's

x(x-5)    6(x-5)

since the parenthesis r the same yo only need one. Now you need to put x and 6 in a parenthesis.

FINAL: (x-5)(x+6) hope this helps

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Read 2 more answers
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