World Languages, asked by sksjbdbdndj, 11 months ago

solve it 4x^2+21x=6x-14 ?

Answers

Answered by GLOBALKING
0

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

Answered by Sidmaths
0

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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