Question

solve the following quadratic equations by factorisation 21x=196-x square​

Answer 1

Answer:

HEY PAL HERE IS YOUR ANSWER

87.5-Final Answer

Answer 2

Answer:

21x=196-x^2

21x-196+x^2

x^2+21x-196=0

x^2+28x-7x-196=0

x(x+28)-7(x+28)=0

(x-7)(x+28)=0