Solve 4(x+3)²+3(x+4)(x-4)
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Answer:
7x^2+24x-12
Step-by-step explanation:
4(x+3)²+3(x+4)(x-4)
4(x^2+6x+9)+3(x^2-4x+4x-16)
4x^2+24x+36+3x^2-48
7x^2+24x-12
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