solve it 4x^2+21x=6x-14 ?
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Answer:
↪4x² + 21x = 6x - 14
↪4x² + 15x + 14 = 0
↪4x² + 8x + 7x + 14 = 0
↪4x(x + 2) + 7(x + 2)= 0
↪(4x + 7)(x + 2) = 0
x = -7/4
x = - 2
, Values of x are -2 , -7/4
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Explanation:
4x^2+21x=6x-14
=4x^2+21x-6x+14=0
=4x^2+15x+14=0
=4x^2+8x+7x+14=0
=4x(x+2)+7(x+2)=0
=(4x+7)(x+2)=0
4x+7=0 and x+2=0
x=-7/4 or x=-2
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