factorise the following expression: 4x²+28x-72
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siddhartharao77:
correct ur answer.
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its ok
Answered by
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Given Equation is 4x^2 + 28x - 72
It can be written as,
= > 4x^2 + 36x - 8x - 72
= > 4[x^2 +9x - 2x - 18]
= > 4[(x(x + 9) - 2(x + 9)]
= > 4[(x - 2)(x + 9)]
= > 4(x - 2)(x + 9).
Hope this helps!
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