Math, asked by mataji43, 11 months ago

x² + 2x – 3 = x² + 7 x .-23​

Answers

Answered by ChiraagPoojary
0

Answer:

x = 4

Step-by-step explanation:

x²+2x-3 = x²+7x-23

x²-x²+2x-7x = -23+3

-5x = -20

x = -20/-5

x = 4

Answered by amankumaraman11
1

 \bf  \cancel{{x}^{2}}   + 2x - 3 =   \cancel{{x}^{2}}  + 7x - 23  \\  \small\boxed{ \text{transposing \:  RHS \:  to \:  LHS  }} \\  \to  \sf2x - 7x - 3 + 23 = 0 \\ \small\boxed{ \text{performing \: calculations}}\\  \to \sf \:  \:  - 5x + 20 = 0 \\   \small\boxed{ \text{transposing \: 20 \: to \:RHS}} \\ \to \sf \:  \: \cancel  - 5x =  \cancel- 20 \\\small\boxed{ \text{dividing \: both \: sides \: by \: 5}}  \\ \to \sf \:  \: \frac{ \cancel5x}{ \cancel5}  =  \frac{20}{5}  \\   \huge \to \sf \:   \: \:x =  \red4\\  \\

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