Question

What are the roots of the quadratic equation x² = 16?
Please answer this question.

Answer 1

Answer:

4

Step-by-step explanation:

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Answer 2

formula used here,

(a+b)(a-b)=a²-b²

Given-

we have to find roots of equation x²=16

Solutions-

▪︎x²=16

=x²-16=0

=x²-4²=0

=(x+4)(x-4)=0------[ by using identity]

hence, required roots are =4 or -4

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