Factorise: 8x⁴+ 14x²-4
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Multiply 8 and 4
8×4=32
therefore,
8x^4 + 14x^2 - 4
=8x^4 + (16 - 2)x^2 - 4
=8x^4 + 16x^2 - 2x^2 - 4
=8x^2(x^2 + 2) - 2(x^2 + 2)
= ( 8x^2 - 2 ) ( x^2 + 2)
HERE'S YOUR ANSWER..✌️✌️
8×4=32
therefore,
8x^4 + 14x^2 - 4
=8x^4 + (16 - 2)x^2 - 4
=8x^4 + 16x^2 - 2x^2 - 4
=8x^2(x^2 + 2) - 2(x^2 + 2)
= ( 8x^2 - 2 ) ( x^2 + 2)
HERE'S YOUR ANSWER..✌️✌️
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