beaudoinclaudia4 beaudoinclaudia4

17-09-2020
Mathematics

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21) Solve x2 - 13x - 30 = 0 by factoring.

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ashleyvillezcas84 ashleyvillezcas84

17-09-2020

Answer:

x= 15, -2!!!!!!!!!!!!!!

Answer Link

ezzahahmad774 ezzahahmad774

17-09-2020

Answer:

x=15 or x=-2

Step-by-step explanation:

x^2-13x-30=0

First find the multiples of 30 that will also equal to 13.

6*5=30 ,15*2=30 and 10*3=30

x^2-15x+2x-30=0
x(x-15)+2(x-15)=0
(x-15)(x-2)=0
x-15=0 or x+2=0
x=15 or x=-2

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