Question

Find the zeroes of the quadratic polynomial 4x²-64.​

Answer 1

$4 {x}^{2} - 64 \\ 4 {x}^{2} = 64 \\ {x}^{2} = \frac{64}{4} \\ {x}^{2} = 16 \\ x = \sqrt{16} \\ x = 4$

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Answer 2

$\huge\underline\red{SOLUTION}$

♠4x²-64=0

♠4x²=0+64

♠4x²=64

♠x²=64/4

♠x²=16

♠x=√16

♠x=4