Thatwilldomare43idn
Answered

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Solve the following quadratic equations using factoring.

b. x2 + 3x = 70

Sagot :

Jatinwrapstaridn

We can easily silve it by splitting the middle term or by using the discriminate method *

* splitting

x 2 +3x -70

x2 + 10x - 7x -70

x(x + 10) -7(x +10)

(x / 7) ( x + 10)

x = 7 or -10

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