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4 years ago

X2 + 12x = – 20 what are the roots of the following quadratic equation

Mathematics

1 answer:

Dmitry_Shevchenko [17]4 years ago

5 0

Answer:

x = -2

x = -10

Step-by-step explanation:

Step 1 : Rearrange

x² + 12x + 20 = 0

Step 2: Factorise

(x + 2)(x + 10)

Step 3: Find the roots / values of x

Make each bracket equal zero.

(x + 2) = x = -2

(x + 10) = x = -10

Hope this helps!

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3 years ago

Read 2 more answers

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Mazyrski [523]

Answer:

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Under this rule

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4 years ago

B2 is A= 1/2h(bl+b2), if A=16, h=4, and b1=3 b2=____

Yuliya22 [10]

Answer:

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Step-by-step explanation:

Substitute the given values into the formula

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