simpily :.(4x2+7x-1)+(x2+8x-7)
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Step-by-step explanation:
(4 × 2 + 7x - 1) + (x² + 8x - 7)
=> (8 + 7x - 1) + (x² + 8x - 7)
=> 8 + 7x - 1 + x² + 8x - 7
=> x² + 15 + 1
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