Solve the quadratic equation x2 + 3x = 40 using the quadratic formula.

Will mark brainliest. when ∆rst is translated 4 units down, what are the apparent coordinates of t’?

Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)

I’m stuck on this equation, anyone got the answer?